313115669 has 2 divisors, whose sum is σ = 313115670. Its totient is φ = 313115668.

The previous prime is 313115657. The next prime is 313115681. The reversal of 313115669 is 966511313.

It is a balanced prime because it is at equal distance from previous prime (313115657) and next prime (313115681).

It can be written as a sum of positive squares in only one way, i.e., 202066225 + 111049444 = 14215^2 + 10538^2 .

It is a cyclic number.

It is not a de Polignac number, because 313115669 - 2²⁴ = 296338453 is a prime.

It is a super-2 number, since 2×313115669² = 196082844346635122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313115069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156557834 + 156557835.

It is an arithmetic number, because the mean of its divisors is an integer number (156557835).

Almost surely, 2^313115669 is an apocalyptic number.

It is an amenable number.

313115669 is a deficient number, since it is larger than the sum of its proper divisors (1).

313115669 is an equidigital number, since it uses as much as digits as its factorization.

313115669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 35.

The square root of 313115669 is about 17695.0747102124. The cubic root of 313115669 is about 679.0497605463.

The spelling of 313115669 in words is "three hundred thirteen million, one hundred fifteen thousand, six hundred sixty-nine".