3113873257 has 4 divisors (see below), whose sum is σ = 3396952656. Its totient is φ = 2830793860.

The previous prime is 3113873209. The next prime is 3113873261. The reversal of 3113873257 is 7523783113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3113873257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3113873557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141539683 + ... + 141539704.

It is an arithmetic number, because the mean of its divisors is an integer number (849238164).

Almost surely, 2^3113873257 is an apocalyptic number.

It is an amenable number.

3113873257 is a deficient number, since it is larger than the sum of its proper divisors (283079399).

3113873257 is a wasteful number, since it uses less digits than its factorization.

3113873257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283079398.

The product of its digits is 105840, while the sum is 40.

The square root of 3113873257 is about 55802.0900773439. The cubic root of 3113873257 is about 1460.2716166014.

The spelling of 3113873257 in words is "three billion, one hundred thirteen million, eight hundred seventy-three thousand, two hundred fifty-seven".