312360305421031 has 4 divisors (see below), whose sum is σ = 356983206195472. Its totient is φ = 267737404646592.

The previous prime is 312360305421023. The next prime is 312360305421077. The reversal of 312360305421031 is 130124503063213.

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 312360305421031 - 2³ = 312360305421023 is a prime.

It is a super-2 number, since 2×312360305421031² (a number of 30 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 (312360305421011) 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, 22311450387210 + ... + 22311450387223.

It is an arithmetic number, because the mean of its divisors is an integer number (89245801548868).

Almost surely, 2^{312360305421031} is an apocalyptic number.

312360305421031 is a deficient number, since it is larger than the sum of its proper divisors (44622900774441).

312360305421031 is an equidigital number, since it uses as much as digits as its factorization.

312360305421031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44622900774440.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 312360305421031 its reverse (130124503063213), we get a palindrome (442484808484244).

The spelling of 312360305421031 in words is "three hundred twelve trillion, three hundred sixty billion, three hundred five million, four hundred twenty-one thousand, thirty-one".