31253432322413 has 64 divisors (see below), whose sum is σ = 37219398528000. Its totient is φ = 26228147742720.

The previous prime is 31253432322403. The next prime is 31253432322461. The reversal of 31253432322413 is 31422323435213.

It is not a de Polignac number, because 31253432322413 - 2²⁶ = 31253365213549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31253432322403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1632790823 + ... + 1632809963.

It is an arithmetic number, because the mean of its divisors is an integer number (581553102000).

Almost surely, 2^{31253432322413} is an apocalyptic number.

It is an amenable number.

31253432322413 is a deficient number, since it is larger than the sum of its proper divisors (5965966205587).

31253432322413 is a wasteful number, since it uses less digits than its factorization.

31253432322413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19787 (or 19773 counting only the distinct ones).

The product of its digits is 311040, while the sum is 38.

Adding to 31253432322413 its reverse (31422323435213), we get a palindrome (62675755757626).

The spelling of 31253432322413 in words is "thirty-one trillion, two hundred fifty-three billion, four hundred thirty-two million, three hundred twenty-two thousand, four hundred thirteen".