312404132321311 has 8 divisors (see below), whose sum is σ = 320860482698864. Its totient is φ = 303948465914880.

The previous prime is 312404132321299. The next prime is 312404132321329. The reversal of 312404132321311 is 113123231404213.

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 312404132321311 - 2⁹ = 312404132320799 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 (312404132321011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170066850 + ... + 171893983.

It is an arithmetic number, because the mean of its divisors is an integer number (40107560337358).

Almost surely, 2^{312404132321311} is an apocalyptic number.

312404132321311 is a deficient number, since it is larger than the sum of its proper divisors (8456350377553).

312404132321311 is a wasteful number, since it uses less digits than its factorization.

312404132321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341985561.

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

Adding to 312404132321311 its reverse (113123231404213), we get a palindrome (425527363725524).

The spelling of 312404132321311 in words is "three hundred twelve trillion, four hundred four billion, one hundred thirty-two million, three hundred twenty-one thousand, three hundred eleven".