233231221130 has 16 divisors (see below), whose sum is σ = 419823613440. Its totient is φ = 93290840592.

The previous prime is 233231221117. The next prime is 233231221159. The reversal of 233231221130 is 31122132332.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 233231221096 and 233231221105.

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, 505487 + ... + 849693.

It is an arithmetic number, because the mean of its divisors is an integer number (26238975840).

Almost surely, 2^233231221130 is an apocalyptic number.

233231221130 is a deficient number, since it is larger than the sum of its proper divisors (186592392310).

233231221130 is a wasteful number, since it uses less digits than its factorization.

233231221130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411973.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 233231221130 its reverse (31122132332), we get a palindrome (264353353462).

The spelling of 233231221130 in words is "two hundred thirty-three billion, two hundred thirty-one million, two hundred twenty-one thousand, one hundred thirty".