131320203422 has 16 divisors (see below), whose sum is σ = 198968806512. Its totient is φ = 64998702720.

The previous prime is 131320203409. The next prime is 131320203463. The reversal of 131320203422 is 224302023131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174953 + ... + 541524.

It is an arithmetic number, because the mean of its divisors is an integer number (12435550407).

Almost surely, 2^131320203422 is an apocalyptic number.

131320203422 is a deficient number, since it is larger than the sum of its proper divisors (67648603090).

131320203422 is a wasteful number, since it uses less digits than its factorization.

131320203422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717403.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 131320203422 its reverse (224302023131), we get a palindrome (355622226553).

The spelling of 131320203422 in words is "one hundred thirty-one billion, three hundred twenty million, two hundred three thousand, four hundred twenty-two".