312343132993 has 2 divisors, whose sum is σ = 312343132994. Its totient is φ = 312343132992.

The previous prime is 312343132987. The next prime is 312343133021. The reversal of 312343132993 is 399231343213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207993459969 + 104349673024 = 456063^2 + 323032^2 .

It is a cyclic number.

It is not a de Polignac number, because 312343132993 - 2²⁵ = 312309578561 is a prime.

It is not a weakly prime, because it can be changed into another prime (312343132943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156171566496 + 156171566497.

It is an arithmetic number, because the mean of its divisors is an integer number (156171566497).

Almost surely, 2^312343132993 is an apocalyptic number.

It is an amenable number.

312343132993 is a deficient number, since it is larger than the sum of its proper divisors (1).

312343132993 is an equidigital number, since it uses as much as digits as its factorization.

312343132993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 43.

The spelling of 312343132993 in words is "three hundred twelve billion, three hundred forty-three million, one hundred thirty-two thousand, nine hundred ninety-three".