313611641 has 16 divisors (see below), whose sum is σ = 363417600. Its totient is φ = 265083840.

The previous prime is 313611629. The next prime is 313611659. The reversal of 313611641 is 146116313.

It is a de Polignac number, because none of the positive numbers 2^k-313611641 is a prime.

It is a super-2 number, since 2×313611641² = 196704522741425762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313611641.

It is not an unprimeable number, because it can be changed into a prime (313611241) 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, 159935 + ... + 161883.

It is an arithmetic number, because the mean of its divisors is an integer number (22713600).

Almost surely, 2^313611641 is an apocalyptic number.

It is an amenable number.

313611641 is a deficient number, since it is larger than the sum of its proper divisors (49805959).

313611641 is a wasteful number, since it uses less digits than its factorization.

313611641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264.

The product of its digits is 1296, while the sum is 26.

The square root of 313611641 is about 17709.0835731271. The cubic root of 313611641 is about 679.4081073530.

Adding to 313611641 its reverse (146116313), we get a palindrome (459727954).

The spelling of 313611641 in words is "three hundred thirteen million, six hundred eleven thousand, six hundred forty-one".