31132116460 has 12 divisors (see below), whose sum is σ = 65377444608. Its totient is φ = 12452846576.

The previous prime is 31132116443. The next prime is 31132116467. The reversal of 31132116460 is 6461123113.

It is not an unprimeable number, because it can be changed into a prime (31132116467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778302892 + ... + 778302931.

It is an arithmetic number, because the mean of its divisors is an integer number (5448120384).

Almost surely, 2^31132116460 is an apocalyptic number.

It is an amenable number.

31132116460 is an abundant number, since it is smaller than the sum of its proper divisors (34245328148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31132116460 is a wasteful number, since it uses less digits than its factorization.

31132116460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556605832 (or 1556605830 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 31132116460 its reverse (6461123113), we get a palindrome (37593239573).

The spelling of 31132116460 in words is "thirty-one billion, one hundred thirty-two million, one hundred sixteen thousand, four hundred sixty".