3116231257 has 8 divisors (see below), whose sum is σ = 3314078496. Its totient is φ = 2919999552.

The previous prime is 3116231233. The next prime is 3116231263. The reversal of 3116231257 is 7521326113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3116231257 - 2¹⁹ = 3115706969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3116231297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399903 + ... + 407620.

It is an arithmetic number, because the mean of its divisors is an integer number (414259812).

Almost surely, 2^3116231257 is an apocalyptic number.

It is an amenable number.

3116231257 is a deficient number, since it is larger than the sum of its proper divisors (197847239).

3116231257 is a wasteful number, since it uses less digits than its factorization.

3116231257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807767.

The product of its digits is 7560, while the sum is 31.

The square root of 3116231257 is about 55823.2143198508. The cubic root of 3116231257 is about 1460.6401235374.

The spelling of 3116231257 in words is "three billion, one hundred sixteen million, two hundred thirty-one thousand, two hundred fifty-seven".