133431352100 has 36 divisors (see below), whose sum is σ = 296279672304. Its totient is φ = 52131317280.

The previous prime is 133431352081. The next prime is 133431352141. The reversal of 133431352100 is 1253134331.

It is a self number, because there is not a number n which added to its sum of digits gives 133431352100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15510974 + ... + 15519573.

Almost surely, 2^133431352100 is an apocalyptic number.

133431352100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133431352100 is an abundant number, since it is smaller than the sum of its proper divisors (162848320204).

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

133431352100 is a wasteful number, since it uses less digits than its factorization.

133431352100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31030604 (or 31030597 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 133431352100 its reverse (1253134331), we get a palindrome (134684486431).

The spelling of 133431352100 in words is "one hundred thirty-three billion, four hundred thirty-one million, three hundred fifty-two thousand, one hundred".