313256469 has 4 divisors (see below), whose sum is σ = 417675296. Its totient is φ = 208837644.

The previous prime is 313256443. The next prime is 313256479. The reversal of 313256469 is 964652313.

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 313256469 - 2¹¹ = 313254421 is a prime.

It is a super-2 number, since 2×313256469² = 196259230740695922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313256479) 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, 52209409 + ... + 52209414.

It is an arithmetic number, because the mean of its divisors is an integer number (104418824).

Almost surely, 2^313256469 is an apocalyptic number.

It is an amenable number.

313256469 is a deficient number, since it is larger than the sum of its proper divisors (104418827).

313256469 is a wasteful number, since it uses less digits than its factorization.

313256469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104418826.

The product of its digits is 116640, while the sum is 39.

The square root of 313256469 is about 17699.0527712643. The cubic root of 313256469 is about 679.1515289854.

The spelling of 313256469 in words is "three hundred thirteen million, two hundred fifty-six thousand, four hundred sixty-nine".