3123103120157 has 2 divisors, whose sum is σ = 3123103120158. Its totient is φ = 3123103120156.

The previous prime is 3123103120091. The next prime is 3123103120201. The reversal of 3123103120157 is 7510213013213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2438613299236 + 684489820921 = 1561606^2 + 827339^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123103120157 - 2⁸ = 3123103119901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123103120057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561551560078 + 1561551560079.

It is an arithmetic number, because the mean of its divisors is an integer number (1561551560079).

Almost surely, 2^{3123103120157} is an apocalyptic number.

It is an amenable number.

3123103120157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123103120157 is an equidigital number, since it uses as much as digits as its factorization.

3123103120157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The spelling of 3123103120157 in words is "three trillion, one hundred twenty-three billion, one hundred three million, one hundred twenty thousand, one hundred fifty-seven".