312402412331311 has 4 divisors (see below), whose sum is σ = 320021983363824. Its totient is φ = 304782841298800.

The previous prime is 312402412331281. The next prime is 312402412331327. The reversal of 312402412331311 is 113133214204213.

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 312402412331311 - 2⁵ = 312402412331279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312402412331351) 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, 3809785516195 + ... + 3809785516276.

It is an arithmetic number, because the mean of its divisors is an integer number (80005495840956).

Almost surely, 2^{312402412331311} is an apocalyptic number.

312402412331311 is a deficient number, since it is larger than the sum of its proper divisors (7619571032513).

312402412331311 is an equidigital number, since it uses as much as digits as its factorization.

312402412331311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7619571032512.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 312402412331311 its reverse (113133214204213), we get a palindrome (425535626535524).

The spelling of 312402412331311 in words is "three hundred twelve trillion, four hundred two billion, four hundred twelve million, three hundred thirty-one thousand, three hundred eleven".