31371167740 has 48 divisors (see below), whose sum is σ = 71892624384. Its totient is φ = 11403867200.

The previous prime is 31371167717. The next prime is 31371167761. The reversal of 31371167740 is 4776117313.

It is a junction number, because it is equal to n+sod(n) for n = 31371167693 and 31371167702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679677 + ... + 724363.

It is an arithmetic number, because the mean of its divisors is an integer number (1497763008).

Almost surely, 2^31371167740 is an apocalyptic number.

It is an amenable number.

31371167740 is an abundant number, since it is smaller than the sum of its proper divisors (40521456644).

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

31371167740 is a wasteful number, since it uses less digits than its factorization.

31371167740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47898 (or 47896 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 31371167740 in words is "thirty-one billion, three hundred seventy-one million, one hundred sixty-seven thousand, seven hundred forty".