313501385 has 16 divisors (see below), whose sum is σ = 393361920. Its totient is φ = 239405760.

The previous prime is 313501379. The next prime is 313501393. The reversal of 313501385 is 583105313.

It is not a de Polignac number, because 313501385 - 2¹⁴ = 313485001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59696 + ... + 64734.

It is an arithmetic number, because the mean of its divisors is an integer number (24585120).

Almost surely, 2^313501385 is an apocalyptic number.

It is an amenable number.

313501385 is a deficient number, since it is larger than the sum of its proper divisors (79860535).

313501385 is a wasteful number, since it uses less digits than its factorization.

313501385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 313501385 is about 17705.9703207703. The cubic root of 313501385 is about 679.3284785056.

Adding to 313501385 its reverse (583105313), we get a palindrome (896606698).

The spelling of 313501385 in words is "three hundred thirteen million, five hundred one thousand, three hundred eighty-five".