312403101041021 has 8 divisors (see below), whose sum is σ = 330815603321280. Its totient is φ = 293994582013888.

The previous prime is 312403101040991. The next prime is 312403101041063. The reversal of 312403101041021 is 120140101304213.

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 312403101041021 - 2²² = 312403096846717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312403101043021) 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, 995651801 + ... + 995965518.

It is an arithmetic number, because the mean of its divisors is an integer number (41351950415160).

Almost surely, 2^{312403101041021} is an apocalyptic number.

It is an amenable number.

312403101041021 is a deficient number, since it is larger than the sum of its proper divisors (18412502280259).

312403101041021 is a wasteful number, since it uses less digits than its factorization.

312403101041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991626563.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 312403101041021 its reverse (120140101304213), we get a palindrome (432543202345234).

The spelling of 312403101041021 in words is "three hundred twelve trillion, four hundred three billion, one hundred one million, forty-one thousand, twenty-one".