31368231740 has 24 divisors (see below), whose sum is σ = 65876736240. Its totient is φ = 12546635648.

The previous prime is 31368231689. The next prime is 31368231767. The reversal of 31368231740 is 4713286313.

It is a junction number, because it is equal to n+sod(n) for n = 31368231694 and 31368231703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578096 + ... + 630024.

It is an arithmetic number, because the mean of its divisors is an integer number (2744864010).

Almost surely, 2^31368231740 is an apocalyptic number.

It is an amenable number.

31368231740 is an abundant number, since it is smaller than the sum of its proper divisors (34508504500).

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

31368231740 is a wasteful number, since it uses less digits than its factorization.

31368231740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82141 (or 82139 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 31368231740 in words is "thirty-one billion, three hundred sixty-eight million, two hundred thirty-one thousand, seven hundred forty".