2312310232021 has 4 divisors (see below), whose sum is σ = 2361508322112. Its totient is φ = 2263112141932.

The previous prime is 2312310232019. The next prime is 2312310232049. The reversal of 2312310232021 is 1202320132132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2312310232021 - 2¹ = 2312310232019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312310231983 and 2312310232001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312310232061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24599044975 + ... + 24599045068.

It is an arithmetic number, because the mean of its divisors is an integer number (590377080528).

Almost surely, 2^{2312310232021} is an apocalyptic number.

It is an amenable number.

2312310232021 is a deficient number, since it is larger than the sum of its proper divisors (49198090091).

2312310232021 is an equidigital number, since it uses as much as digits as its factorization.

2312310232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49198090090.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2312310232021 its reverse (1202320132132), we get a palindrome (3514630364153).

The spelling of 2312310232021 in words is "two trillion, three hundred twelve billion, three hundred ten million, two hundred thirty-two thousand, twenty-one".