102302331 has 8 divisors (see below), whose sum is σ = 136970064. Its totient is φ = 67918080.

The previous prime is 102302323. The next prime is 102302353. The reversal of 102302331 is 133203201.

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

It is not a de Polignac number, because 102302331 - 2³ = 102302323 is a prime.

It is a super-2 number, since 2×102302331² = 20931533856067122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102302331.

It is not an unprimeable number, because it can be changed into a prime (102302371) 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, 70026 + ... + 71471.

It is an arithmetic number, because the mean of its divisors is an integer number (17121258).

Almost surely, 2^102302331 is an apocalyptic number.

102302331 is a deficient number, since it is larger than the sum of its proper divisors (34667733).

102302331 is a wasteful number, since it uses less digits than its factorization.

102302331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141741.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 102302331 is about 10114.4614784970. The cubic root of 102302331 is about 467.6940481485.

Adding to 102302331 its reverse (133203201), we get a palindrome (235505532).

It can be divided in two parts, 10230 and 2331, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 102302331 in words is "one hundred two million, three hundred two thousand, three hundred thirty-one".