313013040 has 40 divisors (see below), whose sum is σ = 970341168. Its totient is φ = 83470080.

The previous prime is 313013023. The next prime is 313013053. The reversal of 313013040 is 40310313.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651871 + ... + 652350.

Almost surely, 2^313013040 is an apocalyptic number.

313013040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313013040 is an abundant number, since it is smaller than the sum of its proper divisors (657328128).

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

313013040 is a wasteful number, since it uses less digits than its factorization.

313013040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304237 (or 1304231 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 313013040 is about 17692.1745413050. The cubic root of 313013040 is about 678.9755623929.

Adding to 313013040 its reverse (40310313), we get a palindrome (353323353).

The spelling of 313013040 in words is "three hundred thirteen million, thirteen thousand, forty".