2131222203230 has 64 divisors (see below), whose sum is σ = 4023988346880. Its totient is φ = 811695427200.

The previous prime is 2131222203211. The next prime is 2131222203247. The reversal of 2131222203230 is 323022221312.

It is a junction number, because it is equal to n+sod(n) for n = 2131222203196 and 2131222203205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10619456 + ... + 10818284.

It is an arithmetic number, because the mean of its divisors is an integer number (62874817920).

Almost surely, 2^{2131222203230} is an apocalyptic number.

2131222203230 is a deficient number, since it is larger than the sum of its proper divisors (1892766143650).

2131222203230 is a wasteful number, since it uses less digits than its factorization.

2131222203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199425.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2131222203230 its reverse (323022221312), we get a palindrome (2454244424542).

The spelling of 2131222203230 in words is "two trillion, one hundred thirty-one billion, two hundred twenty-two million, two hundred three thousand, two hundred thirty".