313405326 has 24 divisors (see below), whose sum is σ = 731279640. Its totient is φ = 96432336.

The previous prime is 313405303. The next prime is 313405327. The reversal of 313405326 is 623504313.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 313405326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313405327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 669436 + ... + 669903.

It is an arithmetic number, because the mean of its divisors is an integer number (30469985).

Almost surely, 2^313405326 is an apocalyptic number.

313405326 is an abundant number, since it is smaller than the sum of its proper divisors (417874314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313405326 is a wasteful number, since it uses less digits than its factorization.

313405326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339360 (or 1339357 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 313405326 is about 17703.2574968563. The cubic root of 313405326 is about 679.2590877644.

Adding to 313405326 its reverse (623504313), we get a palindrome (936909639).

The spelling of 313405326 in words is "three hundred thirteen million, four hundred five thousand, three hundred twenty-six".