2131013131222 has 16 divisors (see below), whose sum is σ = 3218390268912. Its totient is φ = 1058222748960.

The previous prime is 2131013131211. The next prime is 2131013131223. The reversal of 2131013131222 is 2221313101312.

It is a junction number, because it is equal to n+sod(n) for n = 2131013131193 and 2131013131202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131013131223) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 923233 + ... + 2261500.

It is an arithmetic number, because the mean of its divisors is an integer number (201149391807).

Almost surely, 2^{2131013131222} is an apocalyptic number.

2131013131222 is a deficient number, since it is larger than the sum of its proper divisors (1087377137690).

2131013131222 is a wasteful number, since it uses less digits than its factorization.

2131013131222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187023.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2131013131222 its reverse (2221313101312), we get a palindrome (4352326232534).

The spelling of 2131013131222 in words is "two trillion, one hundred thirty-one billion, thirteen million, one hundred thirty-one thousand, two hundred twenty-two".