307312479020 has 48 divisors (see below), whose sum is σ = 653653929600. Its totient is φ = 121345086720.

The previous prime is 307312479017. The next prime is 307312479083. The reversal of 307312479020 is 20974213703.

It is a super-2 number, since 2×307312479020² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9509690 + ... + 9541950.

It is an arithmetic number, because the mean of its divisors is an integer number (13617790200).

Almost surely, 2^307312479020 is an apocalyptic number.

It is an amenable number.

307312479020 is an abundant number, since it is smaller than the sum of its proper divisors (346341450580).

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

307312479020 is a wasteful number, since it uses less digits than its factorization.

307312479020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38378 (or 38376 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 307312479020 in words is "three hundred seven billion, three hundred twelve million, four hundred seventy-nine thousand, twenty".