100131902 has 32 divisors (see below), whose sum is σ = 167795712. Its totient is φ = 44519904.

The previous prime is 100131901. The next prime is 100131917. The reversal of 100131902 is 209131001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100131901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81263 + ... + 82485.

It is an arithmetic number, because the mean of its divisors is an integer number (5243616).

Almost surely, 2^100131902 is an apocalyptic number.

100131902 is a deficient number, since it is larger than the sum of its proper divisors (67663810).

100131902 is a wasteful number, since it uses less digits than its factorization.

100131902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 100131902 is about 10006.5929266659. The cubic root of 100131902 is about 464.3628719826.

Adding to 100131902 its reverse (209131001), we get a palindrome (309262903).

The spelling of 100131902 in words is "one hundred million, one hundred thirty-one thousand, nine hundred two".