312343021432021 has 16 divisors (see below), whose sum is σ = 330525204249600. Its totient is φ = 294335349739200.

The previous prime is 312343021431997. The next prime is 312343021432067. The reversal of 312343021432021 is 120234120343213.

It is not a de Polignac number, because 312343021432021 - 2⁹ = 312343021431509 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 (312343021432621) 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 15 ways as a sum of consecutive naturals, for example, 52592791 + ... + 58229611.

It is an arithmetic number, because the mean of its divisors is an integer number (20657825265600).

Almost surely, 2^{312343021432021} is an apocalyptic number.

It is an amenable number.

312343021432021 is a deficient number, since it is larger than the sum of its proper divisors (18182182817579).

312343021432021 is a wasteful number, since it uses less digits than its factorization.

312343021432021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5652300.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 312343021432021 its reverse (120234120343213), we get a palindrome (432577141775234).

The spelling of 312343021432021 in words is "three hundred twelve trillion, three hundred forty-three billion, twenty-one million, four hundred thirty-two thousand, twenty-one".