131103445021093 has 2 divisors, whose sum is σ = 131103445021094. Its totient is φ = 131103445021092.

The previous prime is 131103445021039. The next prime is 131103445021141. The reversal of 131103445021093 is 390120544301131.

Together with previous prime (131103445021039) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109116555216769 + 21986889804324 = 10445887^2 + 4689018^2 .

It is a cyclic number.

It is not a de Polignac number, because 131103445021093 - 2²¹ = 131103442923941 is a prime.

It is a super-2 number, since 2×131103445021093² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131103445022093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65551722510546 + 65551722510547.

It is an arithmetic number, because the mean of its divisors is an integer number (65551722510547).

Almost surely, 2^{131103445021093} is an apocalyptic number.

It is an amenable number.

131103445021093 is a deficient number, since it is larger than the sum of its proper divisors (1).

131103445021093 is an equidigital number, since it uses as much as digits as its factorization.

131103445021093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 131103445021093 in words is "one hundred thirty-one trillion, one hundred three billion, four hundred forty-five million, twenty-one thousand, ninety-three".