313531340363 has 4 divisors (see below), whose sum is σ = 313546473240. Its totient is φ = 313516207488.

The previous prime is 313531340327. The next prime is 313531340371. The reversal of 313531340363 is 363043135313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313531340363 - 2²² = 313527146059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313531340263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7535318 + ... + 7576811.

It is an arithmetic number, because the mean of its divisors is an integer number (78386618310).

Almost surely, 2^313531340363 is an apocalyptic number.

313531340363 is a deficient number, since it is larger than the sum of its proper divisors (15132877).

313531340363 is a wasteful number, since it uses less digits than its factorization.

313531340363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15132876.

The product of its (nonzero) digits is 87480, while the sum is 35.

Adding to 313531340363 its reverse (363043135313), we get a palindrome (676574475676).

The spelling of 313531340363 in words is "three hundred thirteen billion, five hundred thirty-one million, three hundred forty thousand, three hundred sixty-three".