131302232122 has 8 divisors (see below), whose sum is σ = 199651339476. Its totient is φ = 64751785632.

The previous prime is 131302232107. The next prime is 131302232129. The reversal of 131302232122 is 221232203131.

It can be written as a sum of positive squares in 2 ways, for example, as 130370822761 + 931409361 = 361069^2 + 30519^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 131302232093 and 131302232102.

It is not an unprimeable number, because it can be changed into a prime (131302232129) 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, 449665033 + ... + 449665324.

Almost surely, 2^131302232122 is an apocalyptic number.

131302232122 is a deficient number, since it is larger than the sum of its proper divisors (68349107354).

131302232122 is an equidigital number, since it uses as much as digits as its factorization.

131302232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899330432.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 131302232122 its reverse (221232203131), we get a palindrome (352534435253).

The spelling of 131302232122 in words is "one hundred thirty-one billion, three hundred two million, two hundred thirty-two thousand, one hundred twenty-two".