31203676416 has 72 divisors (see below), whose sum is σ = 90597062304. Its totient is φ = 9455656960.

The previous prime is 31203676411. The next prime is 31203676457. The reversal of 31203676416 is 61467630213.

It is not an unprimeable number, because it can be changed into a prime (31203676411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1838361 + ... + 1855256.

It is an arithmetic number, because the mean of its divisors is an integer number (1258292532).

Almost surely, 2^31203676416 is an apocalyptic number.

It is an amenable number.

31203676416 is an abundant number, since it is smaller than the sum of its proper divisors (59393385888).

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

31203676416 is a wasteful number, since it uses less digits than its factorization.

31203676416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693647 (or 3693633 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 31203676416 in words is "thirty-one billion, two hundred three million, six hundred seventy-six thousand, four hundred sixteen".