312948809025 has 24 divisors (see below), whose sum is σ = 517424724960. Its totient is φ = 166900861440.

The previous prime is 312948809023. The next prime is 312948809027. The reversal of 312948809025 is 520908849213.

It is an interprime number because it is at equal distance from previous prime (312948809023) and next prime (312948809027).

It is not a de Polignac number, because 312948809025 - 2¹ = 312948809023 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (312948809023) 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, 4666129 + ... + 4732721.

It is an arithmetic number, because the mean of its divisors is an integer number (21559363540).

Almost surely, 2^312948809025 is an apocalyptic number.

It is an amenable number.

312948809025 is a deficient number, since it is larger than the sum of its proper divisors (204475915935).

312948809025 is a wasteful number, since it uses less digits than its factorization.

312948809025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129265 (or 129260 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 312948809025 in words is "three hundred twelve billion, nine hundred forty-eight million, eight hundred nine thousand, twenty-five".