31100132012 has 12 divisors (see below), whose sum is σ = 55690934376. Its totient is φ = 15188436480.

The previous prime is 31100131963. The next prime is 31100132029. The reversal of 31100132012 is 21023100113.

It is a super-2 number, since 2×31100132012² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90407189 + ... + 90407532.

It is an arithmetic number, because the mean of its divisors is an integer number (4640911198).

Almost surely, 2^31100132012 is an apocalyptic number.

It is an amenable number.

31100132012 is a deficient number, since it is larger than the sum of its proper divisors (24590802364).

31100132012 is a wasteful number, since it uses less digits than its factorization.

31100132012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180814768 (or 180814766 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31100132012 its reverse (21023100113), we get a palindrome (52123232125).

The spelling of 31100132012 in words is "thirty-one billion, one hundred million, one hundred thirty-two thousand, twelve".