31462645472 has 12 divisors (see below), whose sum is σ = 61942083336. Its totient is φ = 15731322720.

The previous prime is 31462645469. The next prime is 31462645493. The reversal of 31462645472 is 27454626413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491603804 + ... + 491603867.

It is an arithmetic number, because the mean of its divisors is an integer number (5161840278).

Almost surely, 2^31462645472 is an apocalyptic number.

31462645472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31462645472 is a deficient number, since it is larger than the sum of its proper divisors (30479437864).

31462645472 is an equidigital number, since it uses as much as digits as its factorization.

31462645472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983207681 (or 983207673 counting only the distinct ones).

The product of its digits is 967680, while the sum is 44.

The spelling of 31462645472 in words is "thirty-one billion, four hundred sixty-two million, six hundred forty-five thousand, four hundred seventy-two".