2312303110021 has 16 divisors (see below), whose sum is σ = 2455425342720. Its totient is φ = 2172819496320.

The previous prime is 2312303110009. The next prime is 2312303110093. The reversal of 2312303110021 is 1200113032132.

It is a cyclic number.

It is not a de Polignac number, because 2312303110021 - 2¹¹ = 2312303107973 is a prime.

It is a super-2 number, since 2×2312303110021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312303110001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116416 + ... + 2153638.

It is an arithmetic number, because the mean of its divisors is an integer number (153464083920).

Almost surely, 2^{2312303110021} is an apocalyptic number.

It is an amenable number.

2312303110021 is a deficient number, since it is larger than the sum of its proper divisors (143122232699).

2312303110021 is a wasteful number, since it uses less digits than its factorization.

2312303110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038116.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2312303110021 its reverse (1200113032132), we get a palindrome (3512416142153).

The spelling of 2312303110021 in words is "two trillion, three hundred twelve billion, three hundred three million, one hundred ten thousand, twenty-one".