130401231 has 4 divisors (see below), whose sum is σ = 173868312. Its totient is φ = 86934152.

The previous prime is 130401211. The next prime is 130401251. The reversal of 130401231 is 132104031.

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

It is an interprime number because it is at equal distance from previous prime (130401211) and next prime (130401251).

It is a cyclic number.

It is not a de Polignac number, because 130401231 - 2¹⁴ = 130384847 is a prime.

It is a super-2 number, since 2×130401231² = 34008962092630722, 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 130401231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130401211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21733536 + ... + 21733541.

It is an arithmetic number, because the mean of its divisors is an integer number (43467078).

Almost surely, 2^130401231 is an apocalyptic number.

130401231 is a deficient number, since it is larger than the sum of its proper divisors (43467081).

130401231 is an equidigital number, since it uses as much as digits as its factorization.

130401231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43467080.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 130401231 is about 11419.3358388306. The cubic root of 130401231 is about 507.1003345498.

Adding to 130401231 its reverse (132104031), we get a palindrome (262505262).

The spelling of 130401231 in words is "one hundred thirty million, four hundred one thousand, two hundred thirty-one".