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1031022023 = 19420112917
BaseRepresentation
bin111101011101000…
…010010111000111
32122212001100022212
4331131002113013
54102420201043
6250150214035
734356354053
oct7535022707
92585040285
101031022023
11489a92119
1224935431b
131357ac405
149ad04c63
15607ad018
hex3d7425c7

1031022023 has 8 divisors (see below), whose sum is σ = 1085628720. Its totient is φ = 976449600.

The previous prime is 1031021917. The next prime is 1031022029. The reversal of 1031022023 is 3202201301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1031022023 - 212 = 1031017927 is a prime.

It is a super-2 number, since 2×10310220232 = 2126012823822025058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031021989 and 1031022007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031022029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73361 + ... + 86277.

It is an arithmetic number, because the mean of its divisors is an integer number (135703590).

Almost surely, 21031022023 is an apocalyptic number.

1031022023 is a deficient number, since it is larger than the sum of its proper divisors (54606697).

1031022023 is a wasteful number, since it uses less digits than its factorization.

1031022023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17137.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1031022023 is about 32109.5316533892. The cubic root of 1031022023 is about 1010.2355503939.

Adding to 1031022023 its reverse (3202201301), we get a palindrome (4233223324).

The spelling of 1031022023 in words is "one billion, thirty-one million, twenty-two thousand, twenty-three".

Divisors: 1 19 4201 12917 79819 245423 54264317 1031022023