313320534 has 32 divisors (see below), whose sum is σ = 648075264. Its totient is φ = 100880640.

The previous prime is 313320533. The next prime is 313320547. The reversal of 313320534 is 435023313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313320533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123927 + ... + 126429.

It is an arithmetic number, because the mean of its divisors is an integer number (20252352).

Almost surely, 2^313320534 is an apocalyptic number.

313320534 is an abundant number, since it is smaller than the sum of its proper divisors (334754730).

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

313320534 is a wasteful number, since it uses less digits than its factorization.

313320534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 313320534 is about 17700.8625213575. The cubic root of 313320534 is about 679.1978242538.

Adding to 313320534 its reverse (435023313), we get a palindrome (748343847).

The spelling of 313320534 in words is "three hundred thirteen million, three hundred twenty thousand, five hundred thirty-four".