102431112899 has 2 divisors, whose sum is σ = 102431112900. Its totient is φ = 102431112898.

The previous prime is 102431112841. The next prime is 102431112937. The reversal of 102431112899 is 998211134201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (998211134201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102431112899 - 2⁸ = 102431112643 is a prime.

It is not a weakly prime, because it can be changed into another prime (102431112499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51215556449 + 51215556450.

It is an arithmetic number, because the mean of its divisors is an integer number (51215556450).

Almost surely, 2^102431112899 is an apocalyptic number.

102431112899 is a deficient number, since it is larger than the sum of its proper divisors (1).

102431112899 is an equidigital number, since it uses as much as digits as its factorization.

102431112899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 102431112899 in words is "one hundred two billion, four hundred thirty-one million, one hundred twelve thousand, eight hundred ninety-nine".