2131233432 has 32 divisors (see below), whose sum is σ = 5511812400. Its totient is φ = 685913984.

The previous prime is 2131233431. The next prime is 2131233437. The reversal of 2131233432 is 2343321312.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131233431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1530363 + ... + 1531754.

Almost surely, 2^2131233432 is an apocalyptic number.

It is an amenable number.

2131233432 is an abundant number, since it is smaller than the sum of its proper divisors (3380578968).

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

2131233432 is a wasteful number, since it uses less digits than its factorization.

2131233432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062155 (or 3062151 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 2131233432 is about 46165.2838396993. The cubic root of 2131233432 is about 1286.8966590512.

Adding to 2131233432 its reverse (2343321312), we get a palindrome (4474554744).

The spelling of 2131233432 in words is "two billion, one hundred thirty-one million, two hundred thirty-three thousand, four hundred thirty-two".