3220120131 has 8 divisors (see below), whose sum is σ = 4302458880. Its totient is φ = 2142264072.

The previous prime is 3220120121. The next prime is 3220120151. The reversal of 3220120131 is 1310210223.

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

It is not a de Polignac number, because 3220120131 - 2⁹ = 3220119619 is a prime.

It is a super-2 number, since 2×3220120131² = 20738347316142914322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3220120131.

It is not an unprimeable number, because it can be changed into a prime (3220120121) 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, 1118995 + ... + 1121868.

It is an arithmetic number, because the mean of its divisors is an integer number (537807360).

Almost surely, 2^3220120131 is an apocalyptic number.

3220120131 is a deficient number, since it is larger than the sum of its proper divisors (1082338749).

3220120131 is a wasteful number, since it uses less digits than its factorization.

3220120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241345.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3220120131 is about 56746.1023419230. The cubic root of 3220120131 is about 1476.6946155342.

Adding to 3220120131 its reverse (1310210223), we get a palindrome (4530330354).

The spelling of 3220120131 in words is "three billion, two hundred twenty million, one hundred twenty thousand, one hundred thirty-one".