131201330222 has 4 divisors (see below), whose sum is σ = 196801995336. Its totient is φ = 65600665110.

The previous prime is 131201330207. The next prime is 131201330251. The reversal of 131201330222 is 222033102131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222033102131 = 13441 ⋅16519091.

It is a junction number, because it is equal to n+sod(n) for n = 131201330194 and 131201330203.

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 as a sum of consecutive naturals, namely, 32800332554 + ... + 32800332557.

It is an arithmetic number, because the mean of its divisors is an integer number (49200498834).

Almost surely, 2^131201330222 is an apocalyptic number.

131201330222 is a deficient number, since it is larger than the sum of its proper divisors (65600665114).

131201330222 is an equidigital number, since it uses as much as digits as its factorization.

131201330222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65600665113.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131201330222 its reverse (222033102131), we get a palindrome (353234432353).

The spelling of 131201330222 in words is "one hundred thirty-one billion, two hundred one million, three hundred thirty thousand, two hundred twenty-two".