307312479018 has 12 divisors (see below), whose sum is σ = 665843704578. Its totient is φ = 102437493000.

The previous prime is 307312479017. The next prime is 307312479083. The reversal of 307312479018 is 810974213703.

307312479018 is a `hidden beast` number, since 307 + 3 + 1 + 247 + 90 + 18 = 666.

It can be written as a sum of positive squares in only one way, i.e., 297529884369 + 9782594649 = 545463^2 + 98907^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (307312479017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8536457733 + ... + 8536457768.

Almost surely, 2^307312479018 is an apocalyptic number.

307312479018 is an abundant number, since it is smaller than the sum of its proper divisors (358531225560).

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

307312479018 is a wasteful number, since it uses less digits than its factorization.

307312479018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17072915509 (or 17072915506 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 307312479018 in words is "three hundred seven billion, three hundred twelve million, four hundred seventy-nine thousand, eighteen".