130542931 has 2 divisors, whose sum is σ = 130542932. Its totient is φ = 130542930.

The previous prime is 130542899. The next prime is 130542947. The reversal of 130542931 is 139245031.

It is a strong prime.

It is an emirp because it is prime and its reverse (139245031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130542931 - 2⁵ = 130542899 is a prime.

It is a super-2 number, since 2×130542931² = 34082913668141522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130542931.

It is not a weakly prime, because it can be changed into another prime (130542991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65271465 + 65271466.

It is an arithmetic number, because the mean of its divisors is an integer number (65271466).

Almost surely, 2^130542931 is an apocalyptic number.

130542931 is a deficient number, since it is larger than the sum of its proper divisors (1).

130542931 is an equidigital number, since it uses as much as digits as its factorization.

130542931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 130542931 is about 11425.5385431060. The cubic root of 130542931 is about 507.2839476061.

Adding to 130542931 its reverse (139245031), we get a palindrome (269787962).

The spelling of 130542931 in words is "one hundred thirty million, five hundred forty-two thousand, nine hundred thirty-one".