313504121 has 16 divisors (see below), whose sum is σ = 368356608. Its totient is φ = 261273600.

The previous prime is 313504073. The next prime is 313504129. The reversal of 313504121 is 121405313.

It is not a de Polignac number, because 313504121 - 2⁶ = 313504057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313504093 and 313504102.

It is not an unprimeable number, because it can be changed into a prime (313504129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31961 + ... + 40601.

It is an arithmetic number, because the mean of its divisors is an integer number (23022288).

Almost surely, 2^313504121 is an apocalyptic number.

It is an amenable number.

313504121 is a deficient number, since it is larger than the sum of its proper divisors (54852487).

313504121 is an equidigital number, since it uses as much as digits as its factorization.

313504121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8792.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 313504121 is about 17706.0475826764. The cubic root of 313504121 is about 679.3304547194.

Adding to 313504121 its reverse (121405313), we get a palindrome (434909434).

The spelling of 313504121 in words is "three hundred thirteen million, five hundred four thousand, one hundred twenty-one".