231220200130 has 32 divisors (see below), whose sum is σ = 418181019840. Its totient is φ = 92047341120.

The previous prime is 231220200109. The next prime is 231220200139. The reversal of 231220200130 is 31002022132.

It is not an unprimeable number, because it can be changed into a prime (231220200139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6818056 + ... + 6851884.

It is an arithmetic number, because the mean of its divisors is an integer number (13068156870).

Almost surely, 2^231220200130 is an apocalyptic number.

231220200130 is a deficient number, since it is larger than the sum of its proper divisors (186960819710).

231220200130 is a wasteful number, since it uses less digits than its factorization.

231220200130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37074.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 231220200130 its reverse (31002022132), we get a palindrome (262222222262).

The spelling of 231220200130 in words is "two hundred thirty-one billion, two hundred twenty million, two hundred thousand, one hundred thirty".