131130312122 has 8 divisors (see below), whose sum is σ = 198642948372. Its totient is φ = 64915996000.

The previous prime is 131130312121. The next prime is 131130312133. The reversal of 131130312122 is 221213031131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82058758681 + 49071553441 = 286459^2 + 221521^2 .

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 = 131130312094 and 131130312103.

It is not an unprimeable number, because it can be changed into a prime (131130312121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324579779 + ... + 324580182.

Almost surely, 2^131130312122 is an apocalyptic number.

131130312122 is a deficient number, since it is larger than the sum of its proper divisors (67512636250).

131130312122 is a wasteful number, since it uses less digits than its factorization.

131130312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649160064.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131130312122 its reverse (221213031131), we get a palindrome (352343343253).

The spelling of 131130312122 in words is "one hundred thirty-one billion, one hundred thirty million, three hundred twelve thousand, one hundred twenty-two".