31113103132 has 12 divisors (see below), whose sum is σ = 54449165736. Its totient is φ = 15556198640.

The previous prime is 31113103069. The next prime is 31113103139. The reversal of 31113103132 is 23130131113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113103139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297243 + ... + 388045.

It is an arithmetic number, because the mean of its divisors is an integer number (4537430478).

Almost surely, 2^31113103132 is an apocalyptic number.

It is an amenable number.

31113103132 is a deficient number, since it is larger than the sum of its proper divisors (23336062604).

31113103132 is a wasteful number, since it uses less digits than its factorization.

31113103132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176468 (or 176466 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31113103132 its reverse (23130131113), we get a palindrome (54243234245).

The spelling of 31113103132 in words is "thirty-one billion, one hundred thirteen million, one hundred three thousand, one hundred thirty-two".