31341322993 has 2 divisors, whose sum is σ = 31341322994. Its totient is φ = 31341322992.

The previous prime is 31341322979. The next prime is 31341323003. The reversal of 31341322993 is 39922314313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26112297649 + 5229025344 = 161593^2 + 72312^2 .

It is a cyclic number.

It is not a de Polignac number, because 31341322993 - 2²⁵ = 31307768561 is a prime.

It is not a weakly prime, because it can be changed into another prime (31341322963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15670661496 + 15670661497.

It is an arithmetic number, because the mean of its divisors is an integer number (15670661497).

Almost surely, 2^31341322993 is an apocalyptic number.

It is an amenable number.

31341322993 is a deficient number, since it is larger than the sum of its proper divisors (1).

31341322993 is an equidigital number, since it uses as much as digits as its factorization.

31341322993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 40.

The spelling of 31341322993 in words is "thirty-one billion, three hundred forty-one million, three hundred twenty-two thousand, nine hundred ninety-three".