31111312113132 has 24 divisors (see below), whose sum is σ = 72689723484672. Its totient is φ = 10356628530000.

The previous prime is 31111312113071. The next prime is 31111312113181. The reversal of 31111312113132 is 23131121311113.

It is a super-2 number, since 2×31111312113132² (a number of 28 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1726095744 + ... + 1726113767.

It is an arithmetic number, because the mean of its divisors is an integer number (3028738478528).

Almost surely, 2^{31111312113132} is an apocalyptic number.

It is an amenable number.

31111312113132 is an abundant number, since it is smaller than the sum of its proper divisors (41578411371540).

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

31111312113132 is a wasteful number, since it uses less digits than its factorization.

31111312113132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452210269 (or 3452210267 counting only the distinct ones).

The product of its digits is 324, while the sum is 24.

Adding to 31111312113132 its reverse (23131121311113), we get a palindrome (54242433424245).

The spelling of 31111312113132 in words is "thirty-one trillion, one hundred eleven billion, three hundred twelve million, one hundred thirteen thousand, one hundred thirty-two".