102342231 has 8 divisors (see below), whose sum is σ = 151618160. Its totient is φ = 68228136.

The previous prime is 102342223. The next prime is 102342239. The reversal of 102342231 is 132243201.

It is an interprime number because it is at equal distance from previous prime (102342223) and next prime (102342239).

It is not a de Polignac number, because 102342231 - 2³ = 102342223 is a prime.

It is a super-2 number, since 2×102342231² = 20947864492114722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102342239) 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, 1895200 + ... + 1895253.

It is an arithmetic number, because the mean of its divisors is an integer number (18952270).

Almost surely, 2^102342231 is an apocalyptic number.

102342231 is a deficient number, since it is larger than the sum of its proper divisors (49275929).

102342231 is an equidigital number, since it uses as much as digits as its factorization.

102342231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790462 (or 3790456 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 102342231 is about 10116.4337095639. The cubic root of 102342231 is about 467.7548436580.

Adding to 102342231 its reverse (132243201), we get a palindrome (234585432).

The spelling of 102342231 in words is "one hundred two million, three hundred forty-two thousand, two hundred thirty-one".