31325034306625 has 32 divisors (see below), whose sum is σ = 39196321781760. Its totient is φ = 24994266552000.

The previous prime is 31325034306607. The next prime is 31325034306653. The reversal of 31325034306625 is 52660343052313.

It is not a de Polignac number, because 31325034306625 - 2⁷ = 31325034306497 is a prime.

It is a super-2 number, since 2×31325034306625² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106932855 + ... + 107225395.

It is an arithmetic number, because the mean of its divisors is an integer number (1224885055680).

Almost surely, 2^{31325034306625} is an apocalyptic number.

It is an amenable number.

31325034306625 is a deficient number, since it is larger than the sum of its proper divisors (7871287475135).

31325034306625 is a wasteful number, since it uses less digits than its factorization.

31325034306625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294802 (or 294792 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 43.

Adding to 31325034306625 its reverse (52660343052313), we get a palindrome (83985377358938).

The spelling of 31325034306625 in words is "thirty-one trillion, three hundred twenty-five billion, thirty-four million, three hundred six thousand, six hundred twenty-five".