312150313009 has 2 divisors, whose sum is σ = 312150313010. Its totient is φ = 312150313008.

The previous prime is 312150313003. The next prime is 312150313019. The reversal of 312150313009 is 900313051213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247750085025 + 64400227984 = 497745^2 + 253772^2 .

It is a cyclic number.

It is not a de Polignac number, because 312150313009 - 2³ = 312150313001 is a prime.

It is not a weakly prime, because it can be changed into another prime (312150313001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156075156504 + 156075156505.

It is an arithmetic number, because the mean of its divisors is an integer number (156075156505).

Almost surely, 2^312150313009 is an apocalyptic number.

It is an amenable number.

312150313009 is a deficient number, since it is larger than the sum of its proper divisors (1).

312150313009 is an equidigital number, since it uses as much as digits as its factorization.

312150313009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 28.

The spelling of 312150313009 in words is "three hundred twelve billion, one hundred fifty million, three hundred thirteen thousand, nine".