3109456157 has 2 divisors, whose sum is σ = 3109456158. Its totient is φ = 3109456156.

The previous prime is 3109456139. The next prime is 3109456159. The reversal of 3109456157 is 7516549013.

3109456157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2429602681 + 679853476 = 49291^2 + 26074^2 .

It is a cyclic number.

It is not a de Polignac number, because 3109456157 - 2⁶ = 3109456093 is a prime.

Together with 3109456159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3109456159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1554728078 + 1554728079.

It is an arithmetic number, because the mean of its divisors is an integer number (1554728079).

Almost surely, 2^3109456157 is an apocalyptic number.

It is an amenable number.

3109456157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3109456157 is an equidigital number, since it uses as much as digits as its factorization.

3109456157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 3109456157 is about 55762.4977650751. The cubic root of 3109456157 is about 1459.5808136975.

The spelling of 3109456157 in words is "three billion, one hundred nine million, four hundred fifty-six thousand, one hundred fifty-seven".