3111202110157 has 2 divisors, whose sum is σ = 3111202110158. Its totient is φ = 3111202110156.

The previous prime is 3111202110083. The next prime is 3111202110173. The reversal of 3111202110157 is 7510112021113.

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., 2037282347556 + 1073919762601 = 1427334^2 + 1036301^2 .

It is a cyclic number.

It is not a de Polignac number, because 3111202110157 - 2³⁵ = 3076842371789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111202110187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555601055078 + 1555601055079.

It is an arithmetic number, because the mean of its divisors is an integer number (1555601055079).

Almost surely, 2^{3111202110157} is an apocalyptic number.

It is an amenable number.

3111202110157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111202110157 is an equidigital number, since it uses as much as digits as its factorization.

3111202110157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 25.

The spelling of 3111202110157 in words is "three trillion, one hundred eleven billion, two hundred two million, one hundred ten thousand, one hundred fifty-seven".