3213020231 has 4 divisors (see below), whose sum is σ = 3216193032. Its totient is φ = 3209847432.

The previous prime is 3213020207. The next prime is 3213020257. The reversal of 3213020231 is 1320203123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1320203123 = 2207 ⋅598189.

It is a cyclic number.

It is not a de Polignac number, because 3213020231 - 2¹⁰ = 3213019207 is a prime.

It is a super-2 number, since 2×3213020231² = 20646998009630586722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213020201) 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, 1584881 + ... + 1586906.

It is an arithmetic number, because the mean of its divisors is an integer number (804048258).

Almost surely, 2^3213020231 is an apocalyptic number.

3213020231 is a deficient number, since it is larger than the sum of its proper divisors (3172801).

3213020231 is a wasteful number, since it uses less digits than its factorization.

3213020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172800.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3213020231 is about 56683.5093391367. The cubic root of 3213020231 is about 1475.6085174339.

Adding to 3213020231 its reverse (1320203123), we get a palindrome (4533223354).

The spelling of 3213020231 in words is "three billion, two hundred thirteen million, twenty thousand, two hundred thirty-one".