313542340 has 12 divisors (see below), whose sum is σ = 658438956. Its totient is φ = 125416928.

The previous prime is 313542331. The next prime is 313542347. The reversal of 313542340 is 43245313.

It can be written as a sum of positive squares in 2 ways, for example, as 74097664 + 239444676 = 8608^2 + 15474^2 .

It is not an unprimeable number, because it can be changed into a prime (313542347) 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 3 ways as a sum of consecutive naturals, for example, 7838539 + ... + 7838578.

It is an arithmetic number, because the mean of its divisors is an integer number (54869913).

Almost surely, 2^313542340 is an apocalyptic number.

It is an amenable number.

313542340 is an abundant number, since it is smaller than the sum of its proper divisors (344896616).

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

313542340 is a wasteful number, since it uses less digits than its factorization.

313542340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15677126 (or 15677124 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 313542340 is about 17707.1268138001. The cubic root of 313542340 is about 679.3580591153.

Adding to 313542340 its reverse (43245313), we get a palindrome (356787653).

The spelling of 313542340 in words is "three hundred thirteen million, five hundred forty-two thousand, three hundred forty".