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1030241131 = 1718359957
BaseRepresentation
bin111101011010000…
…011101101101011
32122210120200010221
4331122003231223
54102220204011
6250121350511
734346622313
oct7532035553
92583520127
101030241131
114895a9457
12249038437
13135597b4a
149ab80443
15606a6971
hex3d683b6b

1030241131 has 4 divisors (see below), whose sum is σ = 1030318272. Its totient is φ = 1030163992.

The previous prime is 1030241101. The next prime is 1030241159. The reversal of 1030241131 is 1311420301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1311420301 = 4131985861.

It is a cyclic number.

It is not a de Polignac number, because 1030241131 - 215 = 1030208363 is a prime.

It is a super-2 number, since 2×10302411312 = 2122793576008318322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030241101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12796 + ... + 47161.

It is an arithmetic number, because the mean of its divisors is an integer number (257579568).

Almost surely, 21030241131 is an apocalyptic number.

1030241131 is a deficient number, since it is larger than the sum of its proper divisors (77141).

1030241131 is an equidigital number, since it uses as much as digits as its factorization.

1030241131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77140.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1030241131 is about 32097.3695339665. The cubic root of 1030241131 is about 1009.9804365063.

Adding to 1030241131 its reverse (1311420301), we get a palindrome (2341661432).

The spelling of 1030241131 in words is "one billion, thirty million, two hundred forty-one thousand, one hundred thirty-one".

Divisors: 1 17183 59957 1030241131