31545083860480 has 80 divisors (see below), whose sum is σ = 77479005963744. Its totient is φ = 12310276587520.

The previous prime is 31545083860453. The next prime is 31545083860481. The reversal of 31545083860480 is 8406838054513.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31545083860481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150166972 + ... + 150376891.

Almost surely, 2^{31545083860480} is an apocalyptic number.

It is an amenable number.

31545083860480 is an abundant number, since it is smaller than the sum of its proper divisors (45933922103264).

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

31545083860480 is an equidigital number, since it uses as much as digits as its factorization.

31545083860480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300543927 (or 300543911 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 55.

The spelling of 31545083860480 in words is "thirty-one trillion, five hundred forty-five billion, eighty-three million, eight hundred sixty thousand, four hundred eighty".