31268160019 has 2 divisors, whose sum is σ = 31268160020. Its totient is φ = 31268160018.

The previous prime is 31268159983. The next prime is 31268160031. The reversal of 31268160019 is 91006186213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31268160019 - 2²⁵ = 31234605587 is a prime.

It is a super-2 number, since 2×31268160019² (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 31268160019.

It is not a weakly prime, because it can be changed into another prime (31268460019) 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, 15634080009 + 15634080010.

It is an arithmetic number, because the mean of its divisors is an integer number (15634080010).

Almost surely, 2^31268160019 is an apocalyptic number.

31268160019 is a deficient number, since it is larger than the sum of its proper divisors (1).

31268160019 is an equidigital number, since it uses as much as digits as its factorization.

31268160019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 31268160019 in words is "thirty-one billion, two hundred sixty-eight million, one hundred sixty thousand, nineteen".