313311340 has 24 divisors (see below), whose sum is σ = 674003232. Its totient is φ = 122267520.

The previous prime is 313311329. The next prime is 313311391. The reversal of 313311340 is 43113313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190224 + ... + 191863.

It is an arithmetic number, because the mean of its divisors is an integer number (28083468).

Almost surely, 2^313311340 is an apocalyptic number.

It is an amenable number.

313311340 is an abundant number, since it is smaller than the sum of its proper divisors (360691892).

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

313311340 is a wasteful number, since it uses less digits than its factorization.

313311340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382137 (or 382135 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 313311340 is about 17700.6028145936. The cubic root of 313311340 is about 679.1911807847.

Adding to 313311340 its reverse (43113313), we get a palindrome (356424653).

The spelling of 313311340 in words is "three hundred thirteen million, three hundred eleven thousand, three hundred forty".