312300431531 has 8 divisors (see below), whose sum is σ = 340705818864. Its totient is φ = 283897450720.

The previous prime is 312300431507. The next prime is 312300431549. The reversal of 312300431531 is 135134003213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312300431531 - 2³⁰ = 311226689707 is a prime.

It is a super-2 number, since 2×312300431531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312300431531.

It is not an unprimeable number, because it can be changed into a prime (312300431831) 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 7 ways as a sum of consecutive naturals, for example, 324740 + ... + 854433.

It is an arithmetic number, because the mean of its divisors is an integer number (42588227358).

Almost surely, 2^312300431531 is an apocalyptic number.

312300431531 is a deficient number, since it is larger than the sum of its proper divisors (28405387333).

312300431531 is a wasteful number, since it uses less digits than its factorization.

312300431531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203261.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 312300431531 its reverse (135134003213), we get a palindrome (447434434744).

The spelling of 312300431531 in words is "three hundred twelve billion, three hundred million, four hundred thirty-one thousand, five hundred thirty-one".