313541540 has 48 divisors (see below), whose sum is σ = 750807792. Its totient is φ = 108957696.

The previous prime is 313541519. The next prime is 313541549. The reversal of 313541540 is 45145313.

It can be written as a sum of positive squares in 8 ways, for example, as 20994724 + 292546816 = 4582^2 + 17104^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (313541549) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31049 + ... + 39888.

It is an arithmetic number, because the mean of its divisors is an integer number (15641829).

Almost surely, 2^313541540 is an apocalyptic number.

It is an amenable number.

313541540 is an abundant number, since it is smaller than the sum of its proper divisors (437266252).

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

313541540 is a wasteful number, since it uses less digits than its factorization.

313541540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70976 (or 70974 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 313541540 is about 17707.1042240113. The cubic root of 313541540 is about 679.3574813232.

Adding to 313541540 its reverse (45145313), we get a palindrome (358686853).

The spelling of 313541540 in words is "three hundred thirteen million, five hundred forty-one thousand, five hundred forty".