133001231132 has 24 divisors (see below), whose sum is σ = 290184504960. Its totient is φ = 51818661360.

The previous prime is 133001231119. The next prime is 133001231137. The reversal of 133001231132 is 231132100331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133001231137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215910782 + ... + 215911397.

It is an arithmetic number, because the mean of its divisors is an integer number (12091021040).

Almost surely, 2^133001231132 is an apocalyptic number.

It is an amenable number.

133001231132 is an abundant number, since it is smaller than the sum of its proper divisors (157183273828).

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

133001231132 is a wasteful number, since it uses less digits than its factorization.

133001231132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431822201 (or 431822199 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 133001231132 its reverse (231132100331), we get a palindrome (364133331463).

The spelling of 133001231132 in words is "one hundred thirty-three billion, one million, two hundred thirty-one thousand, one hundred thirty-two".