312143914953 has 64 divisors (see below), whose sum is σ = 500083368960. Its totient is φ = 191289600000.

The previous prime is 312143914939. The next prime is 312143914967. The reversal of 312143914953 is 359419341213.

312143914953 is a `hidden beast` number, since 3 + 1 + 21 + 439 + 149 + 53 = 666.

It is an interprime number because it is at equal distance from previous prime (312143914939) and next prime (312143914967).

It is not a de Polignac number, because 312143914953 - 2⁸ = 312143914697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312143914899 and 312143914908.

It is not an unprimeable number, because it can be changed into a prime (312143914153) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 105702525 + ... + 105705477.

It is an arithmetic number, because the mean of its divisors is an integer number (7813802640).

Almost surely, 2^312143914953 is an apocalyptic number.

It is an amenable number.

312143914953 is a deficient number, since it is larger than the sum of its proper divisors (187939454007).

312143914953 is a wasteful number, since it uses less digits than its factorization.

312143914953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127 (or 4121 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The spelling of 312143914953 in words is "three hundred twelve billion, one hundred forty-three million, nine hundred fourteen thousand, nine hundred fifty-three".