102331345 has 4 divisors (see below), whose sum is σ = 122797620. Its totient is φ = 81865072.

The previous prime is 102331319. The next prime is 102331379. The reversal of 102331345 is 543133201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27888961 + 74442384 = 5281^2 + 8628^2 .

It is a cyclic number.

It is not a de Polignac number, because 102331345 - 2¹⁵ = 102298577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10233130 + ... + 10233139.

It is an arithmetic number, because the mean of its divisors is an integer number (30699405).

Almost surely, 2^102331345 is an apocalyptic number.

It is an amenable number.

102331345 is a deficient number, since it is larger than the sum of its proper divisors (20466275).

102331345 is an equidigital number, since it uses as much as digits as its factorization.

102331345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20466274.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 102331345 is about 10115.8956598020. The cubic root of 102331345 is about 467.7382582604.

Adding to 102331345 its reverse (543133201), we get a palindrome (645464546).

The spelling of 102331345 in words is "one hundred two million, three hundred thirty-one thousand, three hundred forty-five".