3213231432 has 16 divisors (see below), whose sum is σ = 8033078640. Its totient is φ = 1071077136.

The previous prime is 3213231419. The next prime is 3213231443. The reversal of 3213231432 is 2341323123.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 133884643 = 3213231432 / (3 + 2 + 1 + 3 + 2 + 3 + 1 + 4 + 3 + 2).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66942298 + ... + 66942345.

It is an arithmetic number, because the mean of its divisors is an integer number (502067415).

Almost surely, 2^3213231432 is an apocalyptic number.

It is an amenable number.

3213231432 is an abundant number, since it is smaller than the sum of its proper divisors (4819847208).

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

3213231432 is a wasteful number, since it uses less digits than its factorization.

3213231432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133884652 (or 133884648 counting only the distinct ones).

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

The square root of 3213231432 is about 56685.3722930352. The cubic root of 3213231432 is about 1475.6408487134.

Adding to 3213231432 its reverse (2341323123), we get a palindrome (5554554555).

The spelling of 3213231432 in words is "three billion, two hundred thirteen million, two hundred thirty-one thousand, four hundred thirty-two".