102631432 has 16 divisors (see below), whose sum is σ = 194419260. Its totient is φ = 50786304.

The previous prime is 102631427. The next prime is 102631433. The reversal of 102631432 is 234136201.

It can be written as a sum of positive squares in 2 ways, for example, as 96550276 + 6081156 = 9826^2 + 2466^2 .

It is not an unprimeable number, because it can be changed into a prime (102631433) 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, 65353 + ... + 66904.

Almost surely, 2^102631432 is an apocalyptic number.

It is an amenable number.

102631432 is a deficient number, since it is larger than the sum of its proper divisors (91787828).

102631432 is a wasteful number, since it uses less digits than its factorization.

102631432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132360 (or 132356 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 102631432 is about 10130.7172500273. The cubic root of 102631432 is about 468.1950267107.

Adding to 102631432 its reverse (234136201), we get a palindrome (336767633).

The spelling of 102631432 in words is "one hundred two million, six hundred thirty-one thousand, four hundred thirty-two".