313112269 has 2 divisors, whose sum is σ = 313112270. Its totient is φ = 313112268.

The previous prime is 313112263. The next prime is 313112297. The reversal of 313112269 is 962211313.

It is an a-pointer prime, because the next prime (313112297) can be obtained adding 313112269 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294294025 + 18818244 = 17155^2 + 4338^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313112269 is a prime.

It is a super-2 number, since 2×313112269² = 196078585996656722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313112263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156556134 + 156556135.

It is an arithmetic number, because the mean of its divisors is an integer number (156556135).

Almost surely, 2^313112269 is an apocalyptic number.

It is an amenable number.

313112269 is a deficient number, since it is larger than the sum of its proper divisors (1).

313112269 is an equidigital number, since it uses as much as digits as its factorization.

313112269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The square root of 313112269 is about 17694.9786380204. The cubic root of 313112269 is about 679.0473026925.

It can be divided in two parts, 3131 and 12269, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 313112269 in words is "three hundred thirteen million, one hundred twelve thousand, two hundred sixty-nine".