313041540 has 48 divisors (see below), whose sum is σ = 1001734272. Its totient is φ = 71552256.

The previous prime is 313041517. The next prime is 313041557. The reversal of 313041540 is 45140313.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 372249 + ... + 373088.

It is an arithmetic number, because the mean of its divisors is an integer number (20869464).

Almost surely, 2^313041540 is an apocalyptic number.

313041540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313041540 is an abundant number, since it is smaller than the sum of its proper divisors (688692732).

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

313041540 is a wasteful number, since it uses less digits than its factorization.

313041540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745356 (or 745354 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 313041540 is about 17692.9799638162. The cubic root of 313041540 is about 678.9961687934.

Adding to 313041540 its reverse (45140313), we get a palindrome (358181853).

The spelling of 313041540 in words is "three hundred thirteen million, forty-one thousand, five hundred forty".