313104240 has 60 divisors (see below), whose sum is σ = 1051510824. Its totient is φ = 83494272.

The previous prime is 313104217. The next prime is 313104301. The reversal of 313104240 is 42401313.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216714 + ... + 218153.

Almost surely, 2^313104240 is an apocalyptic number.

313104240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313104240 is an abundant number, since it is smaller than the sum of its proper divisors (738406584).

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

313104240 is a wasteful number, since it uses less digits than its factorization.

313104240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434886 (or 434877 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 313104240 is about 17694.7517642944. The cubic root of 313104240 is about 679.0414984726.

Adding to 313104240 its reverse (42401313), we get a palindrome (355505553).

The spelling of 313104240 in words is "three hundred thirteen million, one hundred four thousand, two hundred forty".