312161053 has 2 divisors, whose sum is σ = 312161054. Its totient is φ = 312161052.

The previous prime is 312161029. The next prime is 312161071. The reversal of 312161053 is 350161213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305096089 + 7064964 = 17467^2 + 2658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312161053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312165053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156080526 + 156080527.

It is an arithmetic number, because the mean of its divisors is an integer number (156080527).

Almost surely, 2^312161053 is an apocalyptic number.

It is an amenable number.

312161053 is a deficient number, since it is larger than the sum of its proper divisors (1).

312161053 is an equidigital number, since it uses as much as digits as its factorization.

312161053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 312161053 is about 17668.0800598141. The cubic root of 312161053 is about 678.3589704036.

The spelling of 312161053 in words is "three hundred twelve million, one hundred sixty-one thousand, fifty-three".