31144300132 has 12 divisors (see below), whose sum is σ = 59457300336. Its totient is φ = 14156500040.

The previous prime is 31144300111. The next prime is 31144300147. The reversal of 31144300132 is 23100344113.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 353912458 + ... + 353912545.

It is an arithmetic number, because the mean of its divisors is an integer number (4954775028).

Almost surely, 2^31144300132 is an apocalyptic number.

It is an amenable number.

31144300132 is a deficient number, since it is larger than the sum of its proper divisors (28313000204).

31144300132 is a wasteful number, since it uses less digits than its factorization.

31144300132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707825018 (or 707825016 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31144300132 its reverse (23100344113), we get a palindrome (54244644245).

The spelling of 31144300132 in words is "thirty-one billion, one hundred forty-four million, three hundred thousand, one hundred thirty-two".