31425254420265 has 24 divisors (see below), whose sum is σ = 54478495705920. Its totient is φ = 16757657318304.

The previous prime is 31425254420251. The next prime is 31425254420281. The reversal of 31425254420265 is 56202445252413.

31425254420265 is a `hidden beast` number, since 3 + 1 + 4 + 2 + 525 + 44 + 20 + 2 + 65 = 666.

It is not a de Polignac number, because 31425254420265 - 2⁸ = 31425254420009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 31425254420265.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51325045 + ... + 51933714.

It is an arithmetic number, because the mean of its divisors is an integer number (2269937321080).

Almost surely, 2^{31425254420265} is an apocalyptic number.

It is an amenable number.

31425254420265 is a deficient number, since it is larger than the sum of its proper divisors (23053241285655).

31425254420265 is a wasteful number, since it uses less digits than its factorization.

31425254420265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103265533 (or 103265530 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

Adding to 31425254420265 its reverse (56202445252413), we get a palindrome (87627699672678).

The spelling of 31425254420265 in words is "thirty-one trillion, four hundred twenty-five billion, two hundred fifty-four million, four hundred twenty thousand, two hundred sixty-five".