102431358 has 32 divisors (see below), whose sum is σ = 241017120. Its totient is φ = 32135040.

The previous prime is 102431327. The next prime is 102431359. The reversal of 102431358 is 853134201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102431359) 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 15 ways as a sum of consecutive naturals, for example, 54873 + ... + 56708.

It is an arithmetic number, because the mean of its divisors is an integer number (7531785).

Almost surely, 2^102431358 is an apocalyptic number.

102431358 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

102431358 is an abundant number, since it is smaller than the sum of its proper divisors (138585762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102431358 is a wasteful number, since it uses less digits than its factorization.

102431358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111609 (or 111603 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 102431358 is about 10120.8378111696. The cubic root of 102431358 is about 467.8905891507.

Adding to 102431358 its reverse (853134201), we get a palindrome (955565559).

The spelling of 102431358 in words is "one hundred two million, four hundred thirty-one thousand, three hundred fifty-eight".