312410442109 has 2 divisors, whose sum is σ = 312410442110. Its totient is φ = 312410442108.

The previous prime is 312410442083. The next prime is 312410442133. The reversal of 312410442109 is 901244014213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239468316025 + 72942126084 = 489355^2 + 270078^2 .

It is a cyclic number.

It is not a de Polignac number, because 312410442109 - 2²⁵ = 312376887677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312410446109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156205221054 + 156205221055.

It is an arithmetic number, because the mean of its divisors is an integer number (156205221055).

Almost surely, 2^312410442109 is an apocalyptic number.

It is an amenable number.

312410442109 is a deficient number, since it is larger than the sum of its proper divisors (1).

312410442109 is an equidigital number, since it uses as much as digits as its factorization.

312410442109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 312410442109 in words is "three hundred twelve billion, four hundred ten million, four hundred forty-two thousand, one hundred nine".