133031525100 has 144 divisors (see below), whose sum is σ = 387379539456. Its totient is φ = 35247744000.

The previous prime is 133031524897. The next prime is 133031525131. The reversal of 133031525100 is 1525130331.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31439985 + ... + 31444215.

Almost surely, 2^133031525100 is an apocalyptic number.

133031525100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133031525100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193689769728).

133031525100 is an abundant number, since it is smaller than the sum of its proper divisors (254348014356).

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

133031525100 is a wasteful number, since it uses less digits than its factorization.

133031525100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896 (or 4889 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 133031525100 its reverse (1525130331), we get a palindrome (134556655431).

The spelling of 133031525100 in words is "one hundred thirty-three billion, thirty-one million, five hundred twenty-five thousand, one hundred".