9913120002131 has 2 divisors, whose sum is σ = 9913120002132. Its totient is φ = 9913120002130.

The previous prime is 9913120002113. The next prime is 9913120002161. The reversal of 9913120002131 is 1312000213199.

It is a happy number.

Together with previous prime (9913120002113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9913120002131 - 2¹⁸ = 9913119739987 is a prime.

It is a super-2 number, since 2×9913120002131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9913120002161) 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, 4956560001065 + 4956560001066.

It is an arithmetic number, because the mean of its divisors is an integer number (4956560001066).

Almost surely, 2^{9913120002131} is an apocalyptic number.

9913120002131 is a deficient number, since it is larger than the sum of its proper divisors (1).

9913120002131 is an equidigital number, since it uses as much as digits as its factorization.

9913120002131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 9913120002131 in words is "nine trillion, nine hundred thirteen billion, one hundred twenty million, two thousand, one hundred thirty-one".