313214440 has 64 divisors (see below), whose sum is σ = 878636160. Its totient is φ = 97624320.

The previous prime is 313214431. The next prime is 313214467. The reversal of 313214440 is 44412313.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47767 + ... + 53926.

It is an arithmetic number, because the mean of its divisors is an integer number (13728690).

Almost surely, 2^313214440 is an apocalyptic number.

It is an amenable number.

313214440 is an abundant number, since it is smaller than the sum of its proper divisors (565421720).

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

313214440 is a wasteful number, since it uses less digits than its factorization.

313214440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101722 (or 101718 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 313214440 is about 17697.8654080090. The cubic root of 313214440 is about 679.1211541551.

Adding to 313214440 its reverse (44412313), we get a palindrome (357626753).

The spelling of 313214440 in words is "three hundred thirteen million, two hundred fourteen thousand, four hundred forty".