130013231 has 4 divisors (see below), whose sum is σ = 130531464. Its totient is φ = 129495000.

The previous prime is 130013203. The next prime is 130013243. The reversal of 130013231 is 132310031.

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 130013231 - 2¹⁴ = 129996847 is a prime.

It is a super-2 number, since 2×130013231² = 33806880470118722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130013291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258740 + ... + 259241.

It is an arithmetic number, because the mean of its divisors is an integer number (32632866).

Almost surely, 2^130013231 is an apocalyptic number.

130013231 is a deficient number, since it is larger than the sum of its proper divisors (518233).

130013231 is an equidigital number, since it uses as much as digits as its factorization.

130013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518232.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 130013231 is about 11402.3344539616. The cubic root of 130013231 is about 506.5968873682.

Adding to 130013231 its reverse (132310031), we get a palindrome (262323262).

It can be divided in two parts, 130013 and 231, that multiplied together give a palindrome (30033003).

The spelling of 130013231 in words is "one hundred thirty million, thirteen thousand, two hundred thirty-one".