102631224 has 32 divisors (see below), whose sum is σ = 257919120. Its totient is φ = 34031616.

The previous prime is 102631187. The next prime is 102631231. The reversal of 102631224 is 422136201.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 102631224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6447 + ... + 15710.

Almost surely, 2^102631224 is an apocalyptic number.

It is an amenable number.

102631224 is an abundant number, since it is smaller than the sum of its proper divisors (155287896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102631224 is a wasteful number, since it uses less digits than its factorization.

102631224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22359 (or 22355 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 102631224 is about 10130.7069842139. The cubic root of 102631224 is about 468.1947104183.

Adding to 102631224 its reverse (422136201), we get a palindrome (524767425).

The spelling of 102631224 in words is "one hundred two million, six hundred thirty-one thousand, two hundred twenty-four".