313011641 has 2 divisors, whose sum is σ = 313011642. Its totient is φ = 313011640.

The previous prime is 313011631. The next prime is 313011649. The reversal of 313011641 is 146110313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303770041 + 9241600 = 17429^2 + 3040^2 .

It is a cyclic number.

It is not a de Polignac number, because 313011641 - 2¹⁸ = 312749497 is a prime.

It is not a weakly prime, because it can be changed into another prime (313011649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156505820 + 156505821.

It is an arithmetic number, because the mean of its divisors is an integer number (156505821).

Almost surely, 2^313011641 is an apocalyptic number.

It is an amenable number.

313011641 is a deficient number, since it is larger than the sum of its proper divisors (1).

313011641 is an equidigital number, since it uses as much as digits as its factorization.

313011641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 313011641 is about 17692.1350040067. The cubic root of 313011641 is about 678.9745508395.

Adding to 313011641 its reverse (146110313), we get a palindrome (459121954).

The spelling of 313011641 in words is "three hundred thirteen million, eleven thousand, six hundred forty-one".