3213132331 has 4 divisors (see below), whose sum is σ = 3213290872. Its totient is φ = 3212973792.

The previous prime is 3213132289. The next prime is 3213132337. The reversal of 3213132331 is 1332313123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3213132331 - 2²³ = 3204743723 is a prime.

It is a super-2 number, since 2×3213132331² = 20648438753034987122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213132337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43485 + ... + 91198.

It is an arithmetic number, because the mean of its divisors is an integer number (803322718).

Almost surely, 2^3213132331 is an apocalyptic number.

3213132331 is a deficient number, since it is larger than the sum of its proper divisors (158541).

3213132331 is a wasteful number, since it uses less digits than its factorization.

3213132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158540.

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

The square root of 3213132331 is about 56684.4981542573. The cubic root of 3213132331 is about 1475.6256782129.

Adding to 3213132331 its reverse (1332313123), we get a palindrome (4545445454).

The spelling of 3213132331 in words is "three billion, two hundred thirteen million, one hundred thirty-two thousand, three hundred thirty-one".