312447020475 has 24 divisors (see below), whose sum is σ = 543767448640. Its totient is φ = 157867967520.

The previous prime is 312447020471. The next prime is 312447020477. The reversal of 312447020475 is 574020744213.

It is not a de Polignac number, because 312447020475 - 2² = 312447020471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312447020471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109629109 + ... + 109631958.

Almost surely, 2^312447020475 is an apocalyptic number.

312447020475 is a deficient number, since it is larger than the sum of its proper divisors (231320428165).

312447020475 is a wasteful number, since it uses less digits than its factorization.

312447020475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219261099 (or 219261094 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 39.

Adding to 312447020475 its reverse (574020744213), we get a palindrome (886467764688).

The spelling of 312447020475 in words is "three hundred twelve billion, four hundred forty-seven million, twenty thousand, four hundred seventy-five".