6131355322993 has 2 divisors, whose sum is σ = 6131355322994. Its totient is φ = 6131355322992.

The previous prime is 6131355322973. The next prime is 6131355323069. The reversal of 6131355322993 is 3992235531316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5823881745984 + 307473577009 = 2413272^2 + 554503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6131355322993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6131355322993.

It is not a weakly prime, because it can be changed into another prime (6131355322943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3065677661496 + 3065677661497.

It is an arithmetic number, because the mean of its divisors is an integer number (3065677661497).

Almost surely, 2^{6131355322993} is an apocalyptic number.

It is an amenable number.

6131355322993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6131355322993 is an equidigital number, since it uses as much as digits as its factorization.

6131355322993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3936600, while the sum is 52.

The spelling of 6131355322993 in words is "six trillion, one hundred thirty-one billion, three hundred fifty-five million, three hundred twenty-two thousand, nine hundred ninety-three".