313240269 has 4 divisors (see below), whose sum is σ = 417653696. Its totient is φ = 208826844.

The previous prime is 313240247. The next prime is 313240273. The reversal of 313240269 is 962042313.

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.

It is not a de Polignac number, because 313240269 - 2⁷ = 313240141 is a prime.

It is a super-2 number, since 2×313240269² = 196238932246384722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313240069) 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, 52206709 + ... + 52206714.

It is an arithmetic number, because the mean of its divisors is an integer number (104413424).

Almost surely, 2^313240269 is an apocalyptic number.

It is an amenable number.

313240269 is a deficient number, since it is larger than the sum of its proper divisors (104413427).

313240269 is a wasteful number, since it uses less digits than its factorization.

313240269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104413426.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 313240269 is about 17698.5951137371. The cubic root of 313240269 is about 679.1398213853.

The spelling of 313240269 in words is "three hundred thirteen million, two hundred forty thousand, two hundred sixty-nine".