232133013 has 64 divisors (see below), whose sum is σ = 417792000. Its totient is φ = 124431552.

The previous prime is 232132987. The next prime is 232133029. The reversal of 232133013 is 310331232.

232133013 is a `hidden beast` number, since 2 + 321 + 330 + 13 = 666.

232133013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-232133013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232133063) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 455803 + ... + 456311.

It is an arithmetic number, because the mean of its divisors is an integer number (6528000).

Almost surely, 2^232133013 is an apocalyptic number.

It is an amenable number.

232133013 is a deficient number, since it is larger than the sum of its proper divisors (185658987).

232133013 is a wasteful number, since it uses less digits than its factorization.

232133013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 232133013 is about 15235.9119517015. The cubic root of 232133013 is about 614.5807731843.

Adding to 232133013 its reverse (310331232), we get a palindrome (542464245).

The spelling of 232133013 in words is "two hundred thirty-two million, one hundred thirty-three thousand, thirteen".