31463944960 has 72 divisors (see below), whose sum is σ = 86132573856. Its totient is φ = 10787635200.

The previous prime is 31463944943. The next prime is 31463944979. The reversal of 31463944960 is 6944936413.

It is a happy 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, 1746841 + ... + 1764760.

It is an arithmetic number, because the mean of its divisors is an integer number (1196285748).

Almost surely, 2^31463944960 is an apocalyptic number.

It is an amenable number.

31463944960 is an abundant number, since it is smaller than the sum of its proper divisors (54668628896).

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

31463944960 is an equidigital number, since it uses as much as digits as its factorization.

31463944960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511629 (or 3511615 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 31463944960 in words is "thirty-one billion, four hundred sixty-three million, nine hundred forty-four thousand, nine hundred sixty".