130001005231 has 4 divisors (see below), whose sum is σ = 130573697112. Its totient is φ = 129428313352.

The previous prime is 130001005171. The next prime is 130001005241. The reversal of 130001005231 is 132500100031.

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 130001005231 - 2⁹ = 130001004719 is a prime.

It is a super-2 number, since 2×130001005231² (a number of 23 digits) 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 (130001005241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286345600 + ... + 286346053.

It is an arithmetic number, because the mean of its divisors is an integer number (32643424278).

Almost surely, 2^130001005231 is an apocalyptic number.

130001005231 is a deficient number, since it is larger than the sum of its proper divisors (572691881).

130001005231 is an equidigital number, since it uses as much as digits as its factorization.

130001005231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572691880.

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 130001005231 its reverse (132500100031), we get a palindrome (262501105262).

The spelling of 130001005231 in words is "one hundred thirty billion, one million, five thousand, two hundred thirty-one".