313140240 has 120 divisors (see below), whose sum is σ = 1201881408. Its totient is φ = 71573760.

The previous prime is 313140227. The next prime is 313140251. The reversal of 313140240 is 42041313.

313140240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26026 + ... + 36105.

Almost surely, 2^313140240 is an apocalyptic number.

313140240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313140240 is an abundant number, since it is smaller than the sum of its proper divisors (888741168).

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

313140240 is a wasteful number, since it uses less digits than its factorization.

313140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62157 (or 62148 counting only the distinct ones).

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

The square root of 313140240 is about 17695.7689858339. The cubic root of 313140240 is about 679.0675223480.

Adding to 313140240 its reverse (42041313), we get a palindrome (355181553).

The spelling of 313140240 in words is "three hundred thirteen million, one hundred forty thousand, two hundred forty".