312545626031 has 4 divisors (see below), whose sum is σ = 312556593864. Its totient is φ = 312534658200.

The previous prime is 312545625979. The next prime is 312545626051. The reversal of 312545626031 is 130626545213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312545626031 - 2⁶ = 312545625967 is a prime.

It is a super-2 number, since 2×312545626031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312545626051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5441060 + ... + 5498201.

It is an arithmetic number, because the mean of its divisors is an integer number (78139148466).

Almost surely, 2^312545626031 is an apocalyptic number.

312545626031 is a deficient number, since it is larger than the sum of its proper divisors (10967833).

312545626031 is a wasteful number, since it uses less digits than its factorization.

312545626031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10967832.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 312545626031 in words is "three hundred twelve billion, five hundred forty-five million, six hundred twenty-six thousand, thirty-one".