213233111432 has 16 divisors (see below), whose sum is σ = 436158637200. Its totient is φ = 96924141520.

The previous prime is 213233111431. The next prime is 213233111491. The reversal of 213233111432 is 234111332312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (213233111431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211551682 + ... + 1211551857.

It is an arithmetic number, because the mean of its divisors is an integer number (27259914825).

Almost surely, 2^213233111432 is an apocalyptic number.

213233111432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213233111432 is an abundant number, since it is smaller than the sum of its proper divisors (222925525768).

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

213233111432 is a wasteful number, since it uses less digits than its factorization.

213233111432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423103556 (or 2423103552 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

Adding to 213233111432 its reverse (234111332312), we get a palindrome (447344443744).

The spelling of 213233111432 in words is "two hundred thirteen billion, two hundred thirty-three million, one hundred eleven thousand, four hundred thirty-two".