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2031304023 = 32753608357
BaseRepresentation
bin111100100010011…
…0011110101010111
312020120020221021100
41321010303311113
513130003212043
6533321521143
7101223541110
oct17104636527
95216227240
102031304023
11952688861
124883431b3
13264ab7a58
14153ac7207
15bd4e7cd3
hex79133d57

2031304023 has 24 divisors (see below), whose sum is σ = 3416538528. Its totient is φ = 1138842432.

The previous prime is 2031303991. The next prime is 2031304027. The reversal of 2031304023 is 3204031302.

It is not a de Polignac number, because 2031304023 - 25 = 2031303991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2031303987 and 2031304005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031304027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300840 + ... + 307517.

It is an arithmetic number, because the mean of its divisors is an integer number (142355772).

Almost surely, 22031304023 is an apocalyptic number.

2031304023 is a deficient number, since it is larger than the sum of its proper divisors (1385234505).

2031304023 is a wasteful number, since it uses less digits than its factorization.

2031304023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608423 (or 608420 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2031304023 is about 45069.9902706890. The cubic root of 2031304023 is about 1266.4604821445.

Adding to 2031304023 its reverse (3204031302), we get a palindrome (5235335325).

The spelling of 2031304023 in words is "two billion, thirty-one million, three hundred four thousand, twenty-three".

Divisors: 1 3 7 9 21 53 63 159 371 477 1113 3339 608357 1825071 4258499 5475213 12775497 32242921 38326491 96728763 225700447 290186289 677101341 2031304023