308931087268 has 24 divisors (see below), whose sum is σ = 553624243200. Its totient is φ = 150796671168.

The previous prime is 308931087263. The next prime is 308931087281. The reversal of 308931087268 is 862780139803.

It is not an unprimeable number, because it can be changed into a prime (308931087263) 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, 5464180 + ... + 5520427.

It is an arithmetic number, because the mean of its divisors is an integer number (23067676800).

Almost surely, 2^308931087268 is an apocalyptic number.

It is an amenable number.

308931087268 is a deficient number, since it is larger than the sum of its proper divisors (244693155932).

308931087268 is a wasteful number, since it uses less digits than its factorization.

308931087268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10984779 (or 10984777 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 308931087268 in words is "three hundred eight billion, nine hundred thirty-one million, eighty-seven thousand, two hundred sixty-eight".