31323011359 has 2 divisors, whose sum is σ = 31323011360. Its totient is φ = 31323011358.

The previous prime is 31323011341. The next prime is 31323011387. The reversal of 31323011359 is 95311032313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31323011359 - 2⁷ = 31323011231 is a prime.

It is a super-2 number, since 2×31323011359² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31323011359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31323011459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15661505679 + 15661505680.

It is an arithmetic number, because the mean of its divisors is an integer number (15661505680).

Almost surely, 2^31323011359 is an apocalyptic number.

31323011359 is a deficient number, since it is larger than the sum of its proper divisors (1).

31323011359 is an equidigital number, since it uses as much as digits as its factorization.

31323011359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 31.

The spelling of 31323011359 in words is "thirty-one billion, three hundred twenty-three million, eleven thousand, three hundred fifty-nine".