31144314052 has 24 divisors (see below), whose sum is σ = 56288879360. Its totient is φ = 15062280480.

The previous prime is 31144313929. The next prime is 31144314059. The reversal of 31144314052 is 25041344113.

It is a self number, because there is not a number n which added to its sum of digits gives 31144314052.

It is not an unprimeable number, because it can be changed into a prime (31144314059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189703 + ... + 313489.

Almost surely, 2^31144314052 is an apocalyptic number.

It is an amenable number.

31144314052 is a deficient number, since it is larger than the sum of its proper divisors (25144565308).

31144314052 is a wasteful number, since it uses less digits than its factorization.

31144314052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125851 (or 125849 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 31144314052 its reverse (25041344113), we get a palindrome (56185658165).

The spelling of 31144314052 in words is "thirty-one billion, one hundred forty-four million, three hundred fourteen thousand, fifty-two".