231125222130 has 64 divisors (see below), whose sum is σ = 606708154368. Its totient is φ = 55884032960.

The previous prime is 231125222101. The next prime is 231125222143. The reversal of 231125222130 is 31222521132.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 231125222130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 787944 + ... + 1040723.

It is an arithmetic number, because the mean of its divisors is an integer number (9479814912).

Almost surely, 2^231125222130 is an apocalyptic number.

231125222130 is an abundant number, since it is smaller than the sum of its proper divisors (375582932238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231125222130 is a wasteful number, since it uses less digits than its factorization.

231125222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829071.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 231125222130 its reverse (31222521132), we get a palindrome (262347743262).

The spelling of 231125222130 in words is "two hundred thirty-one billion, one hundred twenty-five million, two hundred twenty-two thousand, one hundred thirty".