231030130 has 16 divisors (see below), whose sum is σ = 416421504. Its totient is φ = 92286000.

The previous prime is 231030089. The next prime is 231030143. The reversal of 231030130 is 31030132.

It is a self number, because there is not a number n which added to its sum of digits gives 231030130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7872 + ... + 22891.

It is an arithmetic number, because the mean of its divisors is an integer number (26026344).

Almost surely, 2^231030130 is an apocalyptic number.

231030130 is a deficient number, since it is larger than the sum of its proper divisors (185391374).

231030130 is a wasteful number, since it uses less digits than its factorization.

231030130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31521.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 231030130 is about 15199.6753254798. The cubic root of 231030130 is about 613.6059197799.

Adding to 231030130 its reverse (31030132), we get a palindrome (262060262).

The spelling of 231030130 in words is "two hundred thirty-one million, thirty thousand, one hundred thirty".