131211434323422 has 24 divisors (see below), whose sum is σ = 284291908795440. Its totient is φ = 43737072811200.

The previous prime is 131211434323393. The next prime is 131211434323423. The reversal of 131211434323422 is 224323434112131.

131211434323422 is a `hidden beast` number, since 1 + 3 + 1 + 211 + 4 + 3 + 432 + 3 + 4 + 2 + 2 = 666.

131211434323422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131211434323423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5882854 + ... + 17234582.

It is an arithmetic number, because the mean of its divisors is an integer number (11845496199810).

Almost surely, 2^{131211434323422} is an apocalyptic number.

131211434323422 is an abundant number, since it is smaller than the sum of its proper divisors (153080474472018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131211434323422 is a wasteful number, since it uses less digits than its factorization.

131211434323422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11993888 (or 11993885 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

Adding to 131211434323422 its reverse (224323434112131), we get a palindrome (355534868435553).

The spelling of 131211434323422 in words is "one hundred thirty-one trillion, two hundred eleven billion, four hundred thirty-four million, three hundred twenty-three thousand, four hundred twenty-two".