312056141 has 2 divisors, whose sum is σ = 312056142. Its totient is φ = 312056140.

The previous prime is 312056119. The next prime is 312056159. The reversal of 312056141 is 141650213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290702500 + 21353641 = 17050^2 + 4621^2 .

It is a cyclic number.

It is not a de Polignac number, because 312056141 - 2²⁶ = 244947277 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312086141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156028070 + 156028071.

It is an arithmetic number, because the mean of its divisors is an integer number (156028071).

Almost surely, 2^312056141 is an apocalyptic number.

It is an amenable number.

312056141 is a deficient number, since it is larger than the sum of its proper divisors (1).

312056141 is an equidigital number, since it uses as much as digits as its factorization.

312056141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 312056141 is about 17665.1108402976. The cubic root of 312056141 is about 678.2829669326.

The spelling of 312056141 in words is "three hundred twelve million, fifty-six thousand, one hundred forty-one".