31460457472 has 22 divisors (see below), whose sum is σ = 62890193888. Its totient is φ = 15730228224.

The previous prime is 31460457361. The next prime is 31460457493. The reversal of 31460457472 is 27475406413.

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, 15360528 + ... + 15362575.

Almost surely, 2^31460457472 is an apocalyptic number.

31460457472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31460457472 is a deficient number, since it is larger than the sum of its proper divisors (31429736416).

31460457472 is an equidigital number, since it uses as much as digits as its factorization.

31460457472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30723123 (or 30723105 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 31460457472 in words is "thirty-one billion, four hundred sixty million, four hundred fifty-seven thousand, four hundred seventy-two".