31213114132 has 12 divisors (see below), whose sum is σ = 54633436480. Its totient is φ = 15603560856.

The previous prime is 31213114099. The next prime is 31213114133. The reversal of 31213114132 is 23141131213.

It is a super-2 number, since 2×31213114132² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31213114133) 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, 725532 + ... + 767347.

Almost surely, 2^31213114132 is an apocalyptic number.

It is an amenable number.

31213114132 is a deficient number, since it is larger than the sum of its proper divisors (23420322348).

31213114132 is a wasteful number, since it uses less digits than its factorization.

31213114132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498110 (or 1498108 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 31213114132 its reverse (23141131213), we get a palindrome (54354245345).

The spelling of 31213114132 in words is "thirty-one billion, two hundred thirteen million, one hundred fourteen thousand, one hundred thirty-two".