2313221010031 has 4 divisors (see below), whose sum is σ = 2313456127200. Its totient is φ = 2312985892864.

The previous prime is 2313221009951. The next prime is 2313221010043. The reversal of 2313221010031 is 1300101223132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2313221010031 - 2⁷ = 2313221009903 is a prime.

It is a super-2 number, since 2×2313221010031² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2313221009990 and 2313221010008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313221010131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117543826 + ... + 117563503.

It is an arithmetic number, because the mean of its divisors is an integer number (578364031800).

Almost surely, 2^{2313221010031} is an apocalyptic number.

2313221010031 is a deficient number, since it is larger than the sum of its proper divisors (235117169).

2313221010031 is an equidigital number, since it uses as much as digits as its factorization.

2313221010031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235117168.

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

Adding to 2313221010031 its reverse (1300101223132), we get a palindrome (3613322233163).

The spelling of 2313221010031 in words is "two trillion, three hundred thirteen billion, two hundred twenty-one million, ten thousand, thirty-one".