231000130 has 16 divisors (see below), whose sum is σ = 419918904. Its totient is φ = 91484800.

The previous prime is 231000113. The next prime is 231000151. The reversal of 231000130 is 31000132.

It can be written as a sum of positive squares in 4 ways, for example, as 230159241 + 840889 = 15171^2 + 917^2 .

It is a super-2 number, since 2×231000130² = 106722120120033800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113347 + ... + 115366.

Almost surely, 2^231000130 is an apocalyptic number.

231000130 is a deficient number, since it is larger than the sum of its proper divisors (188918774).

231000130 is a wasteful number, since it uses less digits than its factorization.

231000130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228821.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 231000130 is about 15198.6884302561. The cubic root of 231000130 is about 613.5793590676.

Adding to 231000130 its reverse (31000132), we get a palindrome (262000262).

The spelling of 231000130 in words is "two hundred thirty-one million, one hundred thirty", and thus it is an aban number.