231120130 has 16 divisors (see below), whose sum is σ = 427260600. Its totient is φ = 89949312.

The previous prime is 231120119. The next prime is 231120133. The reversal of 231120130 is 31021132.

231120130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 204690249 + 26429881 = 14307^2 + 5141^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 231120130.

It is not an unprimeable number, because it can be changed into a prime (231120133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311955 + ... + 312694.

Almost surely, 2^231120130 is an apocalyptic number.

231120130 is a deficient number, since it is larger than the sum of its proper divisors (196140470).

231120130 is a wasteful number, since it uses less digits than its factorization.

231120130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624693.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 231120130 is about 15202.6356267589. The cubic root of 231120130 is about 613.6855881234.

Adding to 231120130 its reverse (31021132), we get a palindrome (262141262).

The spelling of 231120130 in words is "two hundred thirty-one million, one hundred twenty thousand, one hundred thirty".