31500104245 has 16 divisors (see below), whose sum is σ = 39300226560. Its totient is φ = 24211713600.

The previous prime is 31500104213. The next prime is 31500104303. The reversal of 31500104245 is 54240100513.

It is a happy number.

It is not a de Polignac number, because 31500104245 - 2⁵ = 31500104213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709486 + ... + 752575.

It is an arithmetic number, because the mean of its divisors is an integer number (2456264160).

Almost surely, 2^31500104245 is an apocalyptic number.

It is an amenable number.

31500104245 is a deficient number, since it is larger than the sum of its proper divisors (7800122315).

31500104245 is a wasteful number, since it uses less digits than its factorization.

31500104245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462236.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 31500104245 its reverse (54240100513), we get a palindrome (85740204758).

The spelling of 31500104245 in words is "thirty-one billion, five hundred million, one hundred four thousand, two hundred forty-five".