312231021107 has 2 divisors, whose sum is σ = 312231021108. Its totient is φ = 312231021106.

The previous prime is 312231021097. The next prime is 312231021127. The reversal of 312231021107 is 701120132213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312231021107 - 2⁸ = 312231020851 is a prime.

It is not a weakly prime, because it can be changed into another prime (312231021127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156115510553 + 156115510554.

It is an arithmetic number, because the mean of its divisors is an integer number (156115510554).

Almost surely, 2^312231021107 is an apocalyptic number.

312231021107 is a deficient number, since it is larger than the sum of its proper divisors (1).

312231021107 is an equidigital number, since it uses as much as digits as its factorization.

312231021107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The spelling of 312231021107 in words is "three hundred twelve billion, two hundred thirty-one million, twenty-one thousand, one hundred seven".