102431299 has 8 divisors (see below), whose sum is σ = 107954640. Its totient is φ = 96921216.

The previous prime is 102431297. The next prime is 102431311. The reversal of 102431299 is 992134201.

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 102431299 - 2¹ = 102431297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102431299.

It is not an unprimeable number, because it can be changed into a prime (102431291) 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, 15279 + ... + 20935.

It is an arithmetic number, because the mean of its divisors is an integer number (13494330).

Almost surely, 2^102431299 is an apocalyptic number.

102431299 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

102431299 is a deficient number, since it is larger than the sum of its proper divisors (5523341).

102431299 is an equidigital number, since it uses as much as digits as its factorization.

102431299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6629.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 102431299 is about 10120.8348963907. The cubic root of 102431299 is about 467.8904993163.

It can be divided in two parts, 1024 and 31299, that added together give a palindrome (32323).

The spelling of 102431299 in words is "one hundred two million, four hundred thirty-one thousand, two hundred ninety-nine".