3221100100131 has 48 divisors (see below), whose sum is σ = 4499781296640. Its totient is φ = 2047752195840.

The previous prime is 3221100100069. The next prime is 3221100100159. The reversal of 3221100100131 is 1310010011223.

It is a happy number.

It is not a de Polignac number, because 3221100100131 - 2²² = 3221095905827 is a prime.

It is a super-2 number, since 2×3221100100131² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3221100100131.

It is not an unprimeable number, because it can be changed into a prime (3221100100181) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164575576 + ... + 164595146.

It is an arithmetic number, because the mean of its divisors is an integer number (93745443680).

Almost surely, 2^{3221100100131} is an apocalyptic number.

3221100100131 is a deficient number, since it is larger than the sum of its proper divisors (1278681196509).

3221100100131 is a wasteful number, since it uses less digits than its factorization.

3221100100131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19964 (or 19827 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 3221100100131 its reverse (1310010011223), we get a palindrome (4531110111354).

The spelling of 3221100100131 in words is "three trillion, two hundred twenty-one billion, one hundred million, one hundred thousand, one hundred thirty-one".