130303031 has 4 divisors (see below), whose sum is σ = 131767200. Its totient is φ = 128838864.

The previous prime is 130303009. The next prime is 130303037.

130303031 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130303031 - 2⁶ = 130302967 is a prime.

It is a super-2 number, since 2×130303031² = 33957759775573922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130302997 and 130303015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130303037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731951 + ... + 732128.

It is an arithmetic number, because the mean of its divisors is an integer number (32941800).

Almost surely, 2^130303031 is an apocalyptic number.

130303031 is a deficient number, since it is larger than the sum of its proper divisors (1464169).

130303031 is an equidigital number, since it uses as much as digits as its factorization.

130303031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464168.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 130303031 is about 11415.0353043694. The cubic root of 130303031 is about 506.9730101940.

It can be divided in two parts, 13030 and 3031, that added together give a palindrome (16061).

The spelling of 130303031 in words is "one hundred thirty million, three hundred three thousand, thirty-one".