31132333213102 has 32 divisors (see below), whose sum is σ = 51580471269600. Its totient is φ = 13974932784000.

The previous prime is 31132333213073. The next prime is 31132333213133. The reversal of 31132333213102 is 20131233323113.

It is a happy number.

It is a super-2 number, since 2×31132333213102² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17144577 + ... + 18873292.

It is an arithmetic number, because the mean of its divisors is an integer number (1611889727175).

Almost surely, 2^{31132333213102} is an apocalyptic number.

31132333213102 is a deficient number, since it is larger than the sum of its proper divisors (20448138056498).

31132333213102 is a wasteful number, since it uses less digits than its factorization.

31132333213102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36018372.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 31132333213102 its reverse (20131233323113), we get a palindrome (51263566536215).

The spelling of 31132333213102 in words is "thirty-one trillion, one hundred thirty-two billion, three hundred thirty-three million, two hundred thirteen thousand, one hundred two".