102352231 has 4 divisors (see below), whose sum is σ = 106802352. Its totient is φ = 97902112.

The previous prime is 102352219. The next prime is 102352307. The reversal of 102352231 is 132253201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132253201 = 349 ⋅378949.

It is a cyclic number.

It is not a de Polignac number, because 102352231 - 2⁹ = 102351719 is a prime.

It is a super-2 number, since 2×102352231² = 20951958381354722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102352199 and 102352208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102352531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2225026 + ... + 2225071.

It is an arithmetic number, because the mean of its divisors is an integer number (26700588).

Almost surely, 2^102352231 is an apocalyptic number.

102352231 is a deficient number, since it is larger than the sum of its proper divisors (4450121).

102352231 is an equidigital number, since it uses as much as digits as its factorization.

102352231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450120.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 102352231 is about 10116.9279428095. The cubic root of 102352231 is about 467.7700781513.

The spelling of 102352231 in words is "one hundred two million, three hundred fifty-two thousand, two hundred thirty-one".