3213131233 has 8 divisors (see below), whose sum is σ = 3460742208. Its totient is φ = 2965584144.

The previous prime is 3213131203. The next prime is 3213131237. The reversal of 3213131233 is 3321313123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3213131233 - 2⁹ = 3213130721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213131237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162060 + ... + 180802.

It is an arithmetic number, because the mean of its divisors is an integer number (432592776).

Almost surely, 2^3213131233 is an apocalyptic number.

It is an amenable number.

3213131233 is a deficient number, since it is larger than the sum of its proper divisors (247610975).

3213131233 is a wasteful number, since it uses less digits than its factorization.

3213131233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31943.

The product of its digits is 972, while the sum is 22.

The square root of 3213131233 is about 56684.4884690689. The cubic root of 3213131233 is about 1475.6255101280.

Adding to 3213131233 its reverse (3321313123), we get a palindrome (6534444356).

It can be divided in two parts, 321313123 and 3, that multiplied together give a palindrome (963939369).

The spelling of 3213131233 in words is "three billion, two hundred thirteen million, one hundred thirty-one thousand, two hundred thirty-three".