313321144177 has 2 divisors, whose sum is σ = 313321144178. Its totient is φ = 313321144176.

The previous prime is 313321144109. The next prime is 313321144193. The reversal of 313321144177 is 771441123313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296187381361 + 17133762816 = 544231^2 + 130896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313321144177 is a prime.

It is not a weakly prime, because it can be changed into another prime (313321144777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156660572088 + 156660572089.

It is an arithmetic number, because the mean of its divisors is an integer number (156660572089).

Almost surely, 2^313321144177 is an apocalyptic number.

It is an amenable number.

313321144177 is a deficient number, since it is larger than the sum of its proper divisors (1).

313321144177 is an equidigital number, since it uses as much as digits as its factorization.

313321144177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 37.

The spelling of 313321144177 in words is "three hundred thirteen billion, three hundred twenty-one million, one hundred forty-four thousand, one hundred seventy-seven".