312656146925 has 12 divisors (see below), whose sum is σ = 388040741556. Its totient is φ = 249900969600.

The previous prime is 312656146919. The next prime is 312656146949. The reversal of 312656146925 is 529641656213.

It can be written as a sum of positive squares in 6 ways, for example, as 160882012201 + 151774134724 = 401101^2 + 389582^2 .

It is not a de Polignac number, because 312656146925 - 2⁶ = 312656146861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5570216 + ... + 5626065.

It is an arithmetic number, because the mean of its divisors is an integer number (32336728463).

Almost surely, 2^312656146925 is an apocalyptic number.

It is an amenable number.

312656146925 is a deficient number, since it is larger than the sum of its proper divisors (75384594631).

312656146925 is a wasteful number, since it uses less digits than its factorization.

312656146925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11197408 (or 11197403 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 50.

The spelling of 312656146925 in words is "three hundred twelve billion, six hundred fifty-six million, one hundred forty-six thousand, nine hundred twenty-five".