131231332011422 has 8 divisors (see below), whose sum is σ = 203196901179072. Its totient is φ = 63499031618400.

The previous prime is 131231332011383. The next prime is 131231332011449. The reversal of 131231332011422 is 224110233132131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058317193579 + ... + 1058317193702.

It is an arithmetic number, because the mean of its divisors is an integer number (25399612647384).

Almost surely, 2^{131231332011422} is an apocalyptic number.

131231332011422 is a deficient number, since it is larger than the sum of its proper divisors (71965569167650).

131231332011422 is a wasteful number, since it uses less digits than its factorization.

131231332011422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116634387314.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 131231332011422 its reverse (224110233132131), we get a palindrome (355341565143553).

The spelling of 131231332011422 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, three hundred thirty-two million, eleven thousand, four hundred twenty-two".