31145125415325 has 24 divisors (see below), whose sum is σ = 51493597817856. Its totient is φ = 16610629104000.

The previous prime is 31145125415321. The next prime is 31145125415347. The reversal of 31145125415325 is 52351452154113.

It is not a de Polignac number, because 31145125415325 - 2² = 31145125415321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31145125415321) 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, 11537745 + ... + 13978905.

It is an arithmetic number, because the mean of its divisors is an integer number (2145566575744).

Almost surely, 2^{31145125415325} is an apocalyptic number.

It is an amenable number.

31145125415325 is a deficient number, since it is larger than the sum of its proper divisors (20348472402531).

31145125415325 is a wasteful number, since it uses less digits than its factorization.

31145125415325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611285 (or 2611280 counting only the distinct ones).

The product of its digits is 360000, while the sum is 42.

Adding to 31145125415325 its reverse (52351452154113), we get a palindrome (83496577569438).

The spelling of 31145125415325 in words is "thirty-one trillion, one hundred forty-five billion, one hundred twenty-five million, four hundred fifteen thousand, three hundred twenty-five".