102431039 has 8 divisors (see below), whose sum is σ = 103404048. Its totient is φ = 101462400.

The previous prime is 102431027. The next prime is 102431053. The reversal of 102431039 is 930134201.

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 102431039 - 2⁴ = 102431023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102431009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62144 + ... + 63770.

It is an arithmetic number, because the mean of its divisors is an integer number (12925506).

Almost surely, 2^102431039 is an apocalyptic number.

102431039 is a deficient number, since it is larger than the sum of its proper divisors (973009).

102431039 is a wasteful number, since it uses less digits than its factorization.

102431039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 102431039 is about 10120.8220515924. The cubic root of 102431039 is about 467.8901034359.

The spelling of 102431039 in words is "one hundred two million, four hundred thirty-one thousand, thirty-nine".