31253420655352 has 32 divisors (see below), whose sum is σ = 67819357670400. Its totient is φ = 13224774741984.

The previous prime is 31253420655299. The next prime is 31253420655367. The reversal of 31253420655352 is 25355602435213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3532253788 + ... + 3532262635.

It is an arithmetic number, because the mean of its divisors is an integer number (2119354927200).

Almost surely, 2^{31253420655352} is an apocalyptic number.

It is an amenable number.

31253420655352 is an abundant number, since it is smaller than the sum of its proper divisors (36565937015048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31253420655352 is a wasteful number, since it uses less digits than its factorization.

31253420655352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064516515 (or 7064516511 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 46.

The spelling of 31253420655352 in words is "thirty-one trillion, two hundred fifty-three billion, four hundred twenty million, six hundred fifty-five thousand, three hundred fifty-two".