102431112811 has 2 divisors, whose sum is σ = 102431112812. Its totient is φ = 102431112810.

The previous prime is 102431112803. The next prime is 102431112841. The reversal of 102431112811 is 118211134201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102431112811 - 2³ = 102431112803 is a prime.

It is not a weakly prime, because it can be changed into another prime (102431112841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51215556405 + 51215556406.

It is an arithmetic number, because the mean of its divisors is an integer number (51215556406).

Almost surely, 2^102431112811 is an apocalyptic number.

102431112811 is a deficient number, since it is larger than the sum of its proper divisors (1).

102431112811 is an equidigital number, since it uses as much as digits as its factorization.

102431112811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 25.

The spelling of 102431112811 in words is "one hundred two billion, four hundred thirty-one million, one hundred twelve thousand, eight hundred eleven".