231122130 has 16 divisors (see below), whose sum is σ = 554693184. Its totient is φ = 61632560.

The previous prime is 231122117. The next prime is 231122131. The reversal of 231122130 is 31221132.

231122130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (231122131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3852006 + ... + 3852065.

It is an arithmetic number, because the mean of its divisors is an integer number (34668324).

Almost surely, 2^231122130 is an apocalyptic number.

231122130 is an abundant number, since it is smaller than the sum of its proper divisors (323571054).

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

231122130 is a wasteful number, since it uses less digits than its factorization.

231122130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7704081.

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

The square root of 231122130 is about 15202.7014046846. The cubic root of 231122130 is about 613.6873582961.

Adding to 231122130 its reverse (31221132), we get a palindrome (262343262).

The spelling of 231122130 in words is "two hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty".