130203011 has 16 divisors (see below), whose sum is σ = 138795360. Its totient is φ = 121927680.

The previous prime is 130202971. The next prime is 130203041. The reversal of 130203011 is 110302031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130203011 is a prime.

It is a super-2 number, since 2×130203011² = 33905648146932242, 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 = 130202983 and 130203001.

It is not an unprimeable number, because it can be changed into a prime (130203041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240401 + ... + 240941.

It is an arithmetic number, because the mean of its divisors is an integer number (8674710).

Almost surely, 2^130203011 is an apocalyptic number.

130203011 is a deficient number, since it is larger than the sum of its proper divisors (8592349).

130203011 is a wasteful number, since it uses less digits than its factorization.

130203011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 130203011 is about 11410.6533993457. The cubic root of 130203011 is about 506.8432602823.

Adding to 130203011 its reverse (110302031), we get a palindrome (240505042).

The spelling of 130203011 in words is "one hundred thirty million, two hundred three thousand, eleven".