3201213131 has 4 divisors (see below), whose sum is σ = 3275659992. Its totient is φ = 3126766272.

The previous prime is 3201213121. The next prime is 3201213133. The reversal of 3201213131 is 1313121023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1313121023 = 331 ⋅3967133.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3201213131 is a prime.

It is a super-2 number, since 2×3201213131² = 20495531020173646322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3201213133) 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 3 ways as a sum of consecutive naturals, for example, 37223366 + ... + 37223451.

It is an arithmetic number, because the mean of its divisors is an integer number (818914998).

Almost surely, 2^3201213131 is an apocalyptic number.

3201213131 is a deficient number, since it is larger than the sum of its proper divisors (74446861).

3201213131 is an equidigital number, since it uses as much as digits as its factorization.

3201213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74446860.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3201213131 is about 56579.2641433237. The cubic root of 3201213131 is about 1473.7987931299.

Adding to 3201213131 its reverse (1313121023), we get a palindrome (4514334154).

The spelling of 3201213131 in words is "three billion, two hundred one million, two hundred thirteen thousand, one hundred thirty-one".