323131298977 has 2 divisors, whose sum is σ = 323131298978. Its totient is φ = 323131298976.

The previous prime is 323131298969. The next prime is 323131298983. The reversal of 323131298977 is 779892131323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273854402721 + 49276896256 = 523311^2 + 221984^2 .

It is a cyclic number.

It is not a de Polignac number, because 323131298977 - 2³ = 323131298969 is a prime.

It is a super-2 number, since 2×323131298977² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323131298957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161565649488 + 161565649489.

It is an arithmetic number, because the mean of its divisors is an integer number (161565649489).

Almost surely, 2^323131298977 is an apocalyptic number.

It is an amenable number.

323131298977 is a deficient number, since it is larger than the sum of its proper divisors (1).

323131298977 is an equidigital number, since it uses as much as digits as its factorization.

323131298977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 55.

The spelling of 323131298977 in words is "three hundred twenty-three billion, one hundred thirty-one million, two hundred ninety-eight thousand, nine hundred seventy-seven".