32311029397 has 2 divisors, whose sum is σ = 32311029398. Its totient is φ = 32311029396.

The previous prime is 32311029389. The next prime is 32311029403. The reversal of 32311029397 is 79392011323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30272868081 + 2038161316 = 173991^2 + 45146^2 .

It is a cyclic number.

It is not a de Polignac number, because 32311029397 - 2³ = 32311029389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32311029337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16155514698 + 16155514699.

It is an arithmetic number, because the mean of its divisors is an integer number (16155514699).

Almost surely, 2^32311029397 is an apocalyptic number.

It is an amenable number.

32311029397 is a deficient number, since it is larger than the sum of its proper divisors (1).

32311029397 is an equidigital number, since it uses as much as digits as its factorization.

32311029397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 40.

The spelling of 32311029397 in words is "thirty-two billion, three hundred eleven million, twenty-nine thousand, three hundred ninety-seven".