313308155641 has 16 divisors (see below), whose sum is σ = 340592590800. Its totient is φ = 286479929088.

The previous prime is 313308155617. The next prime is 313308155711. The reversal of 313308155641 is 146551803313.

313308155641 = 395795² + 395796².

It can be written as a sum of positive squares in 8 ways, for example, as 12670879225 + 300637276416 = 112565^2 + 548304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313308155641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313308155594 and 313308155603.

It is not an unprimeable number, because it can be changed into a prime (313308155441) 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, 5863875 + ... + 5917063.

It is an arithmetic number, because the mean of its divisors is an integer number (21287036925).

Almost surely, 2^313308155641 is an apocalyptic number.

313308155641 is the 395796-th centered square number.

It is an amenable number.

313308155641 is a deficient number, since it is larger than the sum of its proper divisors (27284435159).

313308155641 is a wasteful number, since it uses less digits than its factorization.

313308155641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57468.

The product of its (nonzero) digits is 129600, while the sum is 40.

Adding to 313308155641 its reverse (146551803313), we get a palindrome (459859958954).

The spelling of 313308155641 in words is "three hundred thirteen billion, three hundred eight million, one hundred fifty-five thousand, six hundred forty-one".