31325252610425 has 24 divisors (see below), whose sum is σ = 38871837043200. Its totient is φ = 25041802769280.

The previous prime is 31325252610391. The next prime is 31325252610427. The reversal of 31325252610425 is 52401625252313.

It is not a de Polignac number, because 31325252610425 - 2²⁸ = 31324984174969 is a prime.

It is a super-2 number, since 2×31325252610425² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31325252610427) 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, 486090356 + ... + 486154794.

It is an arithmetic number, because the mean of its divisors is an integer number (1619659876800).

Almost surely, 2^{31325252610425} is an apocalyptic number.

It is an amenable number.

31325252610425 is a deficient number, since it is larger than the sum of its proper divisors (7546584432775).

31325252610425 is a wasteful number, since it uses less digits than its factorization.

31325252610425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78425 (or 78420 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 31325252610425 its reverse (52401625252313), we get a palindrome (83726877862738).

The spelling of 31325252610425 in words is "thirty-one trillion, three hundred twenty-five billion, two hundred fifty-two million, six hundred ten thousand, four hundred twenty-five".