131001220322 has 32 divisors (see below), whose sum is σ = 227158377600. Its totient is φ = 55499551488.

The previous prime is 131001220321. The next prime is 131001220391. The reversal of 131001220322 is 223022100131.

131001220322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×131001220322³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 131001220322.

It is not an unprimeable number, because it can be changed into a prime (131001220321) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 561629 + ... + 759887.

It is an arithmetic number, because the mean of its divisors is an integer number (7098699300).

Almost surely, 2^131001220322 is an apocalyptic number.

131001220322 is a deficient number, since it is larger than the sum of its proper divisors (96157157278).

131001220322 is a wasteful number, since it uses less digits than its factorization.

131001220322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198810.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 131001220322 its reverse (223022100131), we get a palindrome (354023320453).

The spelling of 131001220322 in words is "one hundred thirty-one billion, one million, two hundred twenty thousand, three hundred twenty-two".