131142131223422 has 32 divisors (see below), whose sum is σ = 217175504832000. Its totient is φ = 58894627809600.

The previous prime is 131142131223421. The next prime is 131142131223451. The reversal of 131142131223422 is 224322131241131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131142131223421) 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, 23412422 + ... + 28467977.

It is an arithmetic number, because the mean of its divisors is an integer number (6786734526000).

Almost surely, 2^{131142131223422} is an apocalyptic number.

131142131223422 is a deficient number, since it is larger than the sum of its proper divisors (86033373608578).

131142131223422 is a wasteful number, since it uses less digits than its factorization.

131142131223422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51881792.

The product of its digits is 13824, while the sum is 32.

Adding to 131142131223422 its reverse (224322131241131), we get a palindrome (355464262464553).

The spelling of 131142131223422 in words is "one hundred thirty-one trillion, one hundred forty-two billion, one hundred thirty-one million, two hundred twenty-three thousand, four hundred twenty-two".