100203132 has 12 divisors (see below), whose sum is σ = 233807336. Its totient is φ = 33401040.

The previous prime is 100203119. The next prime is 100203143. The reversal of 100203132 is 231302001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 8350261 = 100203132 / (1 + 0 + 0 + 2 + 0 + 3 + 1 + 3 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4175119 + ... + 4175142.

Almost surely, 2^100203132 is an apocalyptic number.

100203132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100203132 is an abundant number, since it is smaller than the sum of its proper divisors (133604204).

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

100203132 is a wasteful number, since it uses less digits than its factorization.

100203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8350268 (or 8350266 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 100203132 is about 10010.1514474058. The cubic root of 100203132 is about 464.4729558709.

Adding to 100203132 its reverse (231302001), we get a palindrome (331505133).

The spelling of 100203132 in words is "one hundred million, two hundred three thousand, one hundred thirty-two".