31253420655351 has 24 divisors (see below), whose sum is σ = 45317246285376. Its totient is φ = 20755598604480.

The previous prime is 31253420655299. The next prime is 31253420655367. The reversal of 31253420655351 is 15355602435213.

31253420655351 is a `hidden beast` number, since 3 + 1 + 2 + 5 + 3 + 42 + 0 + 6 + 553 + 51 = 666.

It is not a de Polignac number, because 31253420655351 - 2⁹ = 31253420654839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31253420655297 and 31253420655306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31253430655351) 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, 15263641 + ... + 17189693.

It is an arithmetic number, because the mean of its divisors is an integer number (1888218595224).

Almost surely, 2^{31253420655351} is an apocalyptic number.

31253420655351 is a deficient number, since it is larger than the sum of its proper divisors (14063825630025).

31253420655351 is a wasteful number, since it uses less digits than its factorization.

31253420655351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932983 (or 1932980 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

The spelling of 31253420655351 in words is "thirty-one trillion, two hundred fifty-three billion, four hundred twenty million, six hundred fifty-five thousand, three hundred fifty-one".