3116320387 has 2 divisors, whose sum is σ = 3116320388. Its totient is φ = 3116320386.

The previous prime is 3116320379. The next prime is 3116320423. The reversal of 3116320387 is 7830236113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3116320387 - 2³ = 3116320379 is a prime.

It is a super-2 number, since 2×3116320387² = 19422905508863659538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3116320307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558160193 + 1558160194.

It is an arithmetic number, because the mean of its divisors is an integer number (1558160194).

Almost surely, 2^3116320387 is an apocalyptic number.

3116320387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3116320387 is an equidigital number, since it uses as much as digits as its factorization.

3116320387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 3116320387 is about 55824.0126379321. The cubic root of 3116320387 is about 1460.6540490778.

The spelling of 3116320387 in words is "three billion, one hundred sixteen million, three hundred twenty thousand, three hundred eighty-seven".