31347462464 has 14 divisors (see below), whose sum is σ = 62205120954. Its totient is φ = 15673731200.

The previous prime is 31347462407. The next prime is 31347462481. The reversal of 31347462464 is 46426474313.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 31173433600 + 174028864 = 176560^2 + 13192^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244901987 + ... + 244902114.

Almost surely, 2^31347462464 is an apocalyptic number.

It is an amenable number.

31347462464 is a deficient number, since it is larger than the sum of its proper divisors (30857658490).

31347462464 is an equidigital number, since it uses as much as digits as its factorization.

31347462464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489804113 (or 489804103 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 44.

The spelling of 31347462464 in words is "thirty-one billion, three hundred forty-seven million, four hundred sixty-two thousand, four hundred sixty-four".