316111361 has 4 divisors (see below), whose sum is σ = 323462832. Its totient is φ = 308759892.

The previous prime is 316111319. The next prime is 316111373. The reversal of 316111361 is 163111613.

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, and also an emirpimes, since its reverse is a distinct semiprime: 163111613 = 7 ⋅23301659.

It is a cyclic number.

It is not a de Polignac number, because 316111361 - 2⁶ = 316111297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316111391) 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, 3675671 + ... + 3675756.

It is an arithmetic number, because the mean of its divisors is an integer number (80865708).

Almost surely, 2^316111361 is an apocalyptic number.

It is an amenable number.

316111361 is a deficient number, since it is larger than the sum of its proper divisors (7351471).

316111361 is an equidigital number, since it uses as much as digits as its factorization.

316111361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7351470.

The product of its digits is 324, while the sum is 23.

The square root of 316111361 is about 17779.5208315635. The cubic root of 316111361 is about 681.2084631297.

Adding to 316111361 its reverse (163111613), we get a palindrome (479222974).

The spelling of 316111361 in words is "three hundred sixteen million, one hundred eleven thousand, three hundred sixty-one".