102403122131 has 2 divisors, whose sum is σ = 102403122132. Its totient is φ = 102403122130.

The previous prime is 102403122109. The next prime is 102403122137. The reversal of 102403122131 is 131221304201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102403122131 - 2⁶ = 102403122067 is a prime.

It is a super-2 number, since 2×102403122131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102403122137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51201561065 + 51201561066.

It is an arithmetic number, because the mean of its divisors is an integer number (51201561066).

Almost surely, 2^102403122131 is an apocalyptic number.

102403122131 is a deficient number, since it is larger than the sum of its proper divisors (1).

102403122131 is an equidigital number, since it uses as much as digits as its factorization.

102403122131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102403122131 its reverse (131221304201), we get a palindrome (233624426332).

The spelling of 102403122131 in words is "one hundred two billion, four hundred three million, one hundred twenty-two thousand, one hundred thirty-one".