130311122 has 4 divisors (see below), whose sum is σ = 195466686. Its totient is φ = 65155560.

The previous prime is 130311121. The next prime is 130311133. The reversal of 130311122 is 221113031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221113031 = 9461 ⋅23371.

It can be written as a sum of positive squares in only one way, i.e., 126315121 + 3996001 = 11239^2 + 1999^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130311097 and 130311106.

It is not an unprimeable number, because it can be changed into a prime (130311121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32577779 + ... + 32577782.

Almost surely, 2^130311122 is an apocalyptic number.

130311122 is a deficient number, since it is larger than the sum of its proper divisors (65155564).

130311122 is an equidigital number, since it uses as much as digits as its factorization.

130311122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65155563.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 130311122 is about 11415.3896998745. The cubic root of 130311122 is about 506.9835032569.

Adding to 130311122 its reverse (221113031), we get a palindrome (351424153).

The spelling of 130311122 in words is "one hundred thirty million, three hundred eleven thousand, one hundred twenty-two".