131133323122 has 8 divisors (see below), whose sum is σ = 196702993116. Its totient is φ = 65565658752.

The previous prime is 131133323081. The next prime is 131133323129. The reversal of 131133323122 is 221323331131.

It can be written as a sum of positive squares in 2 ways, for example, as 74059635321 + 57073687801 = 272139^2 + 238901^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131133323129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325623 + ... + 606874.

Almost surely, 2^131133323122 is an apocalyptic number.

131133323122 is a deficient number, since it is larger than the sum of its proper divisors (65569669994).

131133323122 is an equidigital number, since it uses as much as digits as its factorization.

131133323122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002812.

The product of its digits is 1944, while the sum is 25.

Adding to 131133323122 its reverse (221323331131), we get a palindrome (352456654253).

The spelling of 131133323122 in words is "one hundred thirty-one billion, one hundred thirty-three million, three hundred twenty-three thousand, one hundred twenty-two".