102431112989 has 8 divisors (see below), whose sum is σ = 105456724800. Its totient is φ = 99430610400.

The previous prime is 102431112961. The next prime is 102431112991. The reversal of 102431112989 is 989211134201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102431112989 - 2²⁴ = 102414335773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102431112089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6269027 + ... + 6285344.

It is an arithmetic number, because the mean of its divisors is an integer number (13182090600).

Almost surely, 2^102431112989 is an apocalyptic number.

It is an amenable number.

102431112989 is a deficient number, since it is larger than the sum of its proper divisors (3025611811).

102431112989 is a wasteful number, since it uses less digits than its factorization.

102431112989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12554611.

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

The spelling of 102431112989 in words is "one hundred two billion, four hundred thirty-one million, one hundred twelve thousand, nine hundred eighty-nine".