102132231 has 8 divisors (see below), whose sum is σ = 136581744. Its totient is φ = 67885440.

The previous prime is 102132223. The next prime is 102132241. The reversal of 102132231 is 132231201.

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

It is not a de Polignac number, because 102132231 - 2³ = 102132223 is a prime.

It is a super-2 number, since 2×102132231² = 20861985218074722, 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 102132231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102132211) 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, 49500 + ... + 51521.

It is an arithmetic number, because the mean of its divisors is an integer number (17072718).

Almost surely, 2^102132231 is an apocalyptic number.

102132231 is a deficient number, since it is larger than the sum of its proper divisors (34449513).

102132231 is a wasteful number, since it uses less digits than its factorization.

102132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101361.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 102132231 is about 10106.0492280614. The cubic root of 102132231 is about 467.4346898003.

Adding to 102132231 its reverse (132231201), we get a palindrome (234363432).

The spelling of 102132231 in words is "one hundred two million, one hundred thirty-two thousand, two hundred thirty-one".