231130022010 has 64 divisors (see below), whose sum is σ = 570339270144. Its totient is φ = 59909414400.

The previous prime is 231130021979. The next prime is 231130022017. The reversal of 231130022010 is 10220031132.

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

It is not an unprimeable number, because it can be changed into a prime (231130022017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13369 + ... + 680028.

It is an arithmetic number, because the mean of its divisors is an integer number (8911551096).

Almost surely, 2^231130022010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231130022010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285169635072).

231130022010 is an abundant number, since it is smaller than the sum of its proper divisors (339209248134).

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

231130022010 is a wasteful number, since it uses less digits than its factorization.

231130022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693719.

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

Adding to 231130022010 its reverse (10220031132), we get a palindrome (241350053142).

The spelling of 231130022010 in words is "two hundred thirty-one billion, one hundred thirty million, twenty-two thousand, ten".