2312322233131 has 4 divisors (see below), whose sum is σ = 2312389266232. Its totient is φ = 2312255200032.

The previous prime is 2312322233101. The next prime is 2312322233153. The reversal of 2312322233131 is 1313322232132.

It is a happy number.

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 2312322233131 - 2³⁷ = 2174883279659 is a prime.

It is a super-2 number, since 2×2312322233131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2312322233131.

It is not an unprimeable number, because it can be changed into a prime (2312322233101) 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, 33464781 + ... + 33533806.

It is an arithmetic number, because the mean of its divisors is an integer number (578097316558).

Almost surely, 2^{2312322233131} is an apocalyptic number.

2312322233131 is a deficient number, since it is larger than the sum of its proper divisors (67033101).

2312322233131 is an equidigital number, since it uses as much as digits as its factorization.

2312322233131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67033100.

The product of its digits is 7776, while the sum is 28.

Adding to 2312322233131 its reverse (1313322232132), we get a palindrome (3625644465263).

Subtracting from 2312322233131 its reverse (1313322232132), we obtain a palindrome (999000000999).

The spelling of 2312322233131 in words is "two trillion, three hundred twelve billion, three hundred twenty-two million, two hundred thirty-three thousand, one hundred thirty-one".