131211222332443 has 16 divisors (see below), whose sum is σ = 143193020060160. Its totient is φ = 119238345626400.

The previous prime is 131211222332417. The next prime is 131211222332479. The reversal of 131211222332443 is 344233222112131.

It is not a de Polignac number, because 131211222332443 - 2²⁵ = 131211188778011 is a prime.

It is a super-2 number, since 2×131211222332443² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131211222332399 and 131211222332408.

It is not an unprimeable number, because it can be changed into a prime (131211222332413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884509788 + ... + 884658118.

It is an arithmetic number, because the mean of its divisors is an integer number (8949563753760).

Almost surely, 2^{131211222332443} is an apocalyptic number.

131211222332443 is a deficient number, since it is larger than the sum of its proper divisors (11981797727717).

131211222332443 is a wasteful number, since it uses less digits than its factorization.

131211222332443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177858.

The product of its digits is 41472, while the sum is 34.

Adding to 131211222332443 its reverse (344233222112131), we get a palindrome (475444444444574).

The spelling of 131211222332443 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred twenty-two million, three hundred thirty-two thousand, four hundred forty-three".