313489269 has 6 divisors (see below), whose sum is σ = 452817846. Its totient is φ = 208992840.

The previous prime is 313489259. The next prime is 313489273. The reversal of 313489269 is 962984313.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 311699025 + 1790244 = 17655^2 + 1338^2 .

It is not a de Polignac number, because 313489269 - 2¹² = 313485173 is a prime.

It is a super-2 number, since 2×313489269² = 196551043556308722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313489249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17416062 + ... + 17416079.

It is an arithmetic number, because the mean of its divisors is an integer number (75469641).

Almost surely, 2^313489269 is an apocalyptic number.

It is an amenable number.

313489269 is a deficient number, since it is larger than the sum of its proper divisors (139328577).

313489269 is a wasteful number, since it uses less digits than its factorization.

313489269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34832147 (or 34832144 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 313489269 is about 17705.6281729850. The cubic root of 313489269 is about 679.3197269761.

The spelling of 313489269 in words is "three hundred thirteen million, four hundred eighty-nine thousand, two hundred sixty-nine".