313403040 has 96 divisors (see below), whose sum is σ = 1096925760. Its totient is φ = 83572992.

The previous prime is 313402997. The next prime is 313403137. The reversal of 313403040 is 40304313.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 31954 + ... + 40593.

It is an arithmetic number, because the mean of its divisors is an integer number (11426310).

Almost surely, 2^313403040 is an apocalyptic number.

313403040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313403040 is an abundant number, since it is smaller than the sum of its proper divisors (783522720).

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

313403040 is a wasteful number, since it uses less digits than its factorization.

313403040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72571 (or 72557 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 313403040 is about 17703.1929323498. The cubic root of 313403040 is about 679.2574362396.

Adding to 313403040 its reverse (40304313), we get a palindrome (353707353).

The spelling of 313403040 in words is "three hundred thirteen million, four hundred three thousand, forty".