312001113341021 has 8 divisors (see below), whose sum is σ = 336002600296440. Its totient is φ = 287999826573312.

The previous prime is 312001113341017. The next prime is 312001113341129. The reversal of 312001113341021 is 120143311100213.

It can be written as a sum of positive squares in 4 ways, for example, as 11065010140921 + 300936103200100 = 3326411^2 + 17347510^2 .

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 312001113341021 - 2² = 312001113341017 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 (312001113343021) 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, 46802156 + ... + 53051333.

It is an arithmetic number, because the mean of its divisors is an integer number (42000325037055).

Almost surely, 2^{312001113341021} is an apocalyptic number.

It is an amenable number.

312001113341021 is a deficient number, since it is larger than the sum of its proper divisors (24001486955419).

312001113341021 is a wasteful number, since it uses less digits than its factorization.

312001113341021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100093855.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 312001113341021 its reverse (120143311100213), we get a palindrome (432144424441234).

The spelling of 312001113341021 in words is "three hundred twelve trillion, one billion, one hundred thirteen million, three hundred forty-one thousand, twenty-one".