312100233031 has 2 divisors, whose sum is σ = 312100233032. Its totient is φ = 312100233030.

The previous prime is 312100233023. The next prime is 312100233047. The reversal of 312100233031 is 130332001213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312100233031 - 2³ = 312100233023 is a prime.

It is a super-2 number, since 2×312100233031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312100233331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156050116515 + 156050116516.

It is an arithmetic number, because the mean of its divisors is an integer number (156050116516).

Almost surely, 2^312100233031 is an apocalyptic number.

312100233031 is a deficient number, since it is larger than the sum of its proper divisors (1).

312100233031 is an equidigital number, since it uses as much as digits as its factorization.

312100233031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 312100233031 its reverse (130332001213), we get a palindrome (442432234244).

The spelling of 312100233031 in words is "three hundred twelve billion, one hundred million, two hundred thirty-three thousand, thirty-one".