2312142220231 has 4 divisors (see below), whose sum is σ = 2318179145472. Its totient is φ = 2306105294992.

The previous prime is 2312142220207. The next prime is 2312142220277. The reversal of 2312142220231 is 1320222412132.

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 2312142220231 - 2⁹ = 2312142219719 is a prime.

It is a super-2 number, since 2×2312142220231² (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 = 2312142220196 and 2312142220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312142220831) 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, 3018462046 + ... + 3018462811.

It is an arithmetic number, because the mean of its divisors is an integer number (579544786368).

Almost surely, 2^{2312142220231} is an apocalyptic number.

2312142220231 is a deficient number, since it is larger than the sum of its proper divisors (6036925241).

2312142220231 is an equidigital number, since it uses as much as digits as its factorization.

2312142220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6036925240.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2312142220231 its reverse (1320222412132), we get a palindrome (3632364632363).

The spelling of 2312142220231 in words is "two trillion, three hundred twelve billion, one hundred forty-two million, two hundred twenty thousand, two hundred thirty-one".