130131011 has 2 divisors, whose sum is σ = 130131012.
Its totient is φ = 130131010.
The previous prime is 130130947. The next prime is 130131017. The reversal of 130131011 is 110131031.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 130131011 - 26 = 130130947 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 130130983 and 130131001.
It is not a weakly prime, because it can be changed into another prime (130131017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65065505 + 65065506.
It is an arithmetic number, because the mean of its divisors is an integer number (65065506).
Almost surely, 2130131011 is an apocalyptic number.
130131011 is a deficient number, since it is larger than the sum of its proper divisors (1).
130131011 is an equidigital number, since it uses as much as digits as its factorization.
130131011 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9, while the sum is 11.
The square root of 130131011 is about 11407.4980166555.
The cubic root of 130131011 is about 506.7498178877.
Adding to 130131011 its reverse (110131031), we get a palindrome (240262042).
The spelling of 130131011 in words is "one hundred thirty million, one hundred thirty-one thousand, eleven".