102131031103 has 2 divisors, whose sum is σ = 102131031104. Its totient is φ = 102131031102.

The previous prime is 102131031089. The next prime is 102131031179. The reversal of 102131031103 is 301130131201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102131031103 - 2⁵ = 102131031071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102131061103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51065515551 + 51065515552.

It is an arithmetic number, because the mean of its divisors is an integer number (51065515552).

Almost surely, 2^102131031103 is an apocalyptic number.

102131031103 is a deficient number, since it is larger than the sum of its proper divisors (1).

102131031103 is an equidigital number, since it uses as much as digits as its factorization.

102131031103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 102131031103 its reverse (301130131201), we get a palindrome (403261162304).

The spelling of 102131031103 in words is "one hundred two billion, one hundred thirty-one million, thirty-one thousand, one hundred three".