130311121 has 2 divisors, whose sum is σ = 130311122. Its totient is φ = 130311120.

The previous prime is 130311089. The next prime is 130311133. The reversal of 130311121 is 121113031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89094721 + 41216400 = 9439^2 + 6420^2 .

It is a cyclic number.

It is not a de Polignac number, because 130311121 - 2⁵ = 130311089 is a prime.

It is not a weakly prime, because it can be changed into another prime (130311421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65155560 + 65155561.

It is an arithmetic number, because the mean of its divisors is an integer number (65155561).

Almost surely, 2^130311121 is an apocalyptic number.

It is an amenable number.

130311121 is a deficient number, since it is larger than the sum of its proper divisors (1).

130311121 is an equidigital number, since it uses as much as digits as its factorization.

130311121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 130311121 is about 11415.3896560739. The cubic root of 130311121 is about 506.9835019601.

Adding to 130311121 its reverse (121113031), we get a palindrome (251424152).

The spelling of 130311121 in words is "one hundred thirty million, three hundred eleven thousand, one hundred twenty-one".