313528313 has 6 divisors (see below), whose sum is σ = 364716666. Its totient is φ = 268738512.

The previous prime is 313528277. The next prime is 313528339. The reversal of 313528313 is 313825313.

It can be written as a sum of positive squares in only one way, i.e., 281299984 + 32228329 = 16772^2 + 5677^2 .

It is not a de Polignac number, because 313528313 - 2⁸ = 313528057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (313528213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3199220 + ... + 3199317.

It is an arithmetic number, because the mean of its divisors is an integer number (60786111).

Almost surely, 2^313528313 is an apocalyptic number.

It is an amenable number.

313528313 is a deficient number, since it is larger than the sum of its proper divisors (51188353).

313528313 is an equidigital number, since it uses as much as digits as its factorization.

313528313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398551 (or 6398544 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 313528313 is about 17706.7307259132. The cubic root of 313528313 is about 679.3479281098.

The spelling of 313528313 in words is "three hundred thirteen million, five hundred twenty-eight thousand, three hundred thirteen".