312402310031421 has 192 divisors, whose sum is σ = 492200545075200. Its totient is φ = 190305649594368.

The previous prime is 312402310031419. The next prime is 312402310031431. The reversal of 312402310031421 is 124130013204213.

312402310031421 is a `hidden beast` number, since 3 + 1 + 2 + 4 + 0 + 231 + 0 + 0 + 3 + 1 + 421 = 666.

It is not a de Polignac number, because 312402310031421 - 2¹ = 312402310031419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312402310031431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 154884634605 + ... + 154884636621.

It is an arithmetic number, because the mean of its divisors is an integer number (2563544505600).

Almost surely, 2^{312402310031421} is an apocalyptic number.

It is an amenable number.

312402310031421 is a deficient number, since it is larger than the sum of its proper divisors (179798235043779).

312402310031421 is a wasteful number, since it uses less digits than its factorization.

312402310031421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048 (or 3045 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 312402310031421 its reverse (124130013204213), we get a palindrome (436532323235634).

The spelling of 312402310031421 in words is "three hundred twelve trillion, four hundred two billion, three hundred ten million, thirty-one thousand, four hundred twenty-one".