3221013131 has 8 divisors (see below), whose sum is σ = 3681502944. Its totient is φ = 2760609600.

The previous prime is 3221013109. The next prime is 3221013179. The reversal of 3221013131 is 1313101223.

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

It is not a de Polignac number, because 3221013131 - 2¹⁸ = 3220750987 is a prime.

It is a super-2 number, since 2×3221013131² = 20749851180148846322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3221013431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123431 + ... + 147231.

It is an arithmetic number, because the mean of its divisors is an integer number (460187868).

Almost surely, 2^3221013131 is an apocalyptic number.

3221013131 is a deficient number, since it is larger than the sum of its proper divisors (460489813).

3221013131 is a wasteful number, since it uses less digits than its factorization.

3221013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43141.

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

The square root of 3221013131 is about 56753.9701783056. The cubic root of 3221013131 is about 1476.8311080001.

Adding to 3221013131 its reverse (1313101223), we get a palindrome (4534114354).

The spelling of 3221013131 in words is "three billion, two hundred twenty-one million, thirteen thousand, one hundred thirty-one".