31272146802 has 48 divisors (see below), whose sum is σ = 73720647000. Its totient is φ = 9522994176.

The previous prime is 31272146783. The next prime is 31272146819. The reversal of 31272146802 is 20864127213.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20747233521 + 10524913281 = 144039^2 + 102591^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 666177 + ... + 711572.

Almost surely, 2^31272146802 is an apocalyptic number.

31272146802 is an abundant number, since it is smaller than the sum of its proper divisors (42448500198).

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

31272146802 is a wasteful number, since it uses less digits than its factorization.

31272146802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377867 (or 1377864 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 31272146802 in words is "thirty-one billion, two hundred seventy-two million, one hundred forty-six thousand, eight hundred two".