133431310232 has 32 divisors (see below), whose sum is σ = 272946514320. Its totient is φ = 60646410240.

The previous prime is 133431310219. The next prime is 133431310267. The reversal of 133431310232 is 232013134331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485548 + ... + 1572804.

Almost surely, 2^133431310232 is an apocalyptic number.

It is an amenable number.

133431310232 is an abundant number, since it is smaller than the sum of its proper divisors (139515204088).

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

133431310232 is a wasteful number, since it uses less digits than its factorization.

133431310232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104651 (or 104647 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 133431310232 its reverse (232013134331), we get a palindrome (365444444563).

The spelling of 133431310232 in words is "one hundred thirty-three billion, four hundred thirty-one million, three hundred ten thousand, two hundred thirty-two".