31376455472 has 20 divisors (see below), whose sum is σ = 61524317400. Its totient is φ = 15499212288.

The previous prime is 31376455471. The next prime is 31376455477. The reversal of 31376455472 is 27455467313.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31376455471) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 11812097 + ... + 11814752.

It is an arithmetic number, because the mean of its divisors is an integer number (3076215870).

Almost surely, 2^31376455472 is an apocalyptic number.

It is an amenable number.

31376455472 is a deficient number, since it is larger than the sum of its proper divisors (30147861928).

31376455472 is a wasteful number, since it uses less digits than its factorization.

31376455472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23626940 (or 23626934 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 47.

The spelling of 31376455472 in words is "thirty-one billion, three hundred seventy-six million, four hundred fifty-five thousand, four hundred seventy-two".