3161001157 has 2 divisors, whose sum is σ = 3161001158. Its totient is φ = 3161001156.

The previous prime is 3161001083. The next prime is 3161001197. The reversal of 3161001157 is 7511001613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3150464641 + 10536516 = 56129^2 + 3246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3161001157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3161001197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580500578 + 1580500579.

It is an arithmetic number, because the mean of its divisors is an integer number (1580500579).

Almost surely, 2^3161001157 is an apocalyptic number.

It is an amenable number.

3161001157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161001157 is an equidigital number, since it uses as much as digits as its factorization.

3161001157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 3161001157 is about 56222.7814769067. The cubic root of 3161001157 is about 1467.6017409464.

The spelling of 3161001157 in words is "three billion, one hundred sixty-one million, one thousand, one hundred fifty-seven".