3112133257 has 2 divisors, whose sum is σ = 3112133258. Its totient is φ = 3112133256.

The previous prime is 3112133207. The next prime is 3112133263. The reversal of 3112133257 is 7523312113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3065947641 + 46185616 = 55371^2 + 6796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3112133257 is a prime.

It is not a weakly prime, because it can be changed into another prime (3112133207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556066628 + 1556066629.

It is an arithmetic number, because the mean of its divisors is an integer number (1556066629).

Almost surely, 2^3112133257 is an apocalyptic number.

It is an amenable number.

3112133257 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112133257 is an equidigital number, since it uses as much as digits as its factorization.

3112133257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 28.

The square root of 3112133257 is about 55786.4970848681. The cubic root of 3112133257 is about 1459.9995710576. Note that the first 3 decimals are identical.

The spelling of 3112133257 in words is "three billion, one hundred twelve million, one hundred thirty-three thousand, two hundred fifty-seven".