312804102506 has 48 divisors (see below), whose sum is σ = 548746763400. Its totient is φ = 133339852800.

The previous prime is 312804102503. The next prime is 312804102517. The reversal of 312804102506 is 605201408213.

It can be written as a sum of positive squares in 4 ways, for example, as 293812782025 + 18991320481 = 542045^2 + 137809^2 .

It is not an unprimeable number, because it can be changed into a prime (312804102503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13860920 + ... + 13883468.

Almost surely, 2^312804102506 is an apocalyptic number.

312804102506 is a deficient number, since it is larger than the sum of its proper divisors (235942660894).

312804102506 is a wasteful number, since it uses less digits than its factorization.

312804102506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23319 (or 23312 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 312804102506 in words is "three hundred twelve billion, eight hundred four million, one hundred two thousand, five hundred six".