102200231 has 24 divisors (see below), whose sum is σ = 122572800. Its totient is φ = 84922992.

The previous prime is 102200227. The next prime is 102200233. The reversal of 102200231 is 132002201.

It is a happy number.

It is not a de Polignac number, because 102200231 - 2² = 102200227 is a prime.

It is a super-2 number, since 2×102200231² = 20889774432906722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102200233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458186 + ... + 458408.

It is an arithmetic number, because the mean of its divisors is an integer number (5107200).

Almost surely, 2^102200231 is an apocalyptic number.

102200231 is a deficient number, since it is larger than the sum of its proper divisors (20372569).

102200231 is a wasteful number, since it uses less digits than its factorization.

102200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 102200231 is about 10109.4129898823. The cubic root of 102200231 is about 467.5384066743.

Adding to 102200231 its reverse (132002201), we get a palindrome (234202432).

The spelling of 102200231 in words is "one hundred two million, two hundred thousand, two hundred thirty-one".