3221231130131 has 24 divisors (see below), whose sum is σ = 3946608645120. Its totient is φ = 2616326945232.

The previous prime is 3221231130097. The next prime is 3221231130151. The reversal of 3221231130131 is 1310311321223.

It is not a de Polignac number, because 3221231130131 - 2³⁴ = 3204051260947 is a prime.

It is a super-2 number, since 2×3221231130131² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3221231130097 and 3221231130106.

It is not an unprimeable number, because it can be changed into a prime (3221231130151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13235651 + ... + 13476828.

It is an arithmetic number, because the mean of its divisors is an integer number (164442026880).

Almost surely, 2^{3221231130131} is an apocalyptic number.

3221231130131 is a deficient number, since it is larger than the sum of its proper divisors (725377514989).

3221231130131 is a wasteful number, since it uses less digits than its factorization.

3221231130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26712623 (or 26712616 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3221231130131 its reverse (1310311321223), we get a palindrome (4531542451354).

The spelling of 3221231130131 in words is "three trillion, two hundred twenty-one billion, two hundred thirty-one million, one hundred thirty thousand, one hundred thirty-one".