312424202031021 has 12 divisors (see below), whose sum is σ = 451385064287040. Its totient is φ = 208234034575560.

The previous prime is 312424202031017. The next prime is 312424202031049. The reversal of 312424202031021 is 120130202424213.

312424202031021 is a `hidden beast` number, since 3 + 1 + 2 + 4 + 2 + 420 + 203 + 10 + 21 = 666.

It is not a de Polignac number, because 312424202031021 - 2² = 312424202031017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312424202731021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4063857631 + ... + 4063934508.

It is an arithmetic number, because the mean of its divisors is an integer number (37615422023920).

Almost surely, 2^{312424202031021} is an apocalyptic number.

It is an amenable number.

312424202031021 is a deficient number, since it is larger than the sum of its proper divisors (138960862256019).

312424202031021 is a wasteful number, since it uses less digits than its factorization.

312424202031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8127796416 (or 8127796413 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 312424202031021 its reverse (120130202424213), we get a palindrome (432554404455234).

The spelling of 312424202031021 in words is "three hundred twelve trillion, four hundred twenty-four billion, two hundred two million, thirty-one thousand, twenty-one".