321113319977 has 2 divisors, whose sum is σ = 321113319978. Its totient is φ = 321113319976.

The previous prime is 321113319869. The next prime is 321113320001. The reversal of 321113319977 is 779913311123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242289388441 + 78823931536 = 492229^2 + 280756^2 .

It is a cyclic number.

It is not a de Polignac number, because 321113319977 - 2⁸ = 321113319721 is a prime.

It is a super-3 number, since 3×321113319977³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (321113310977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160556659988 + 160556659989.

It is an arithmetic number, because the mean of its divisors is an integer number (160556659989).

Almost surely, 2^321113319977 is an apocalyptic number.

It is an amenable number.

321113319977 is a deficient number, since it is larger than the sum of its proper divisors (1).

321113319977 is an equidigital number, since it uses as much as digits as its factorization.

321113319977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 214326, while the sum is 47.

The spelling of 321113319977 in words is "three hundred twenty-one billion, one hundred thirteen million, three hundred nineteen thousand, nine hundred seventy-seven".