233312221130 has 16 divisors (see below), whose sum is σ = 419977663560. Its totient is φ = 93321407232.

The previous prime is 233312221127. The next prime is 233312221189. The reversal of 233312221130 is 31122213332.

It can be written as a sum of positive squares in 4 ways, for example, as 54576902689 + 178735318441 = 233617^2 + 422771^2 .

It is a super-2 number, since 2×233312221130² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233312221096 and 233312221105.

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, 144419 + ... + 698198.

Almost surely, 2^233312221130 is an apocalyptic number.

233312221130 is a deficient number, since it is larger than the sum of its proper divisors (186665442430).

233312221130 is a wasteful number, since it uses less digits than its factorization.

233312221130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870313.

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

Adding to 233312221130 its reverse (31122213332), we get a palindrome (264434434462).

The spelling of 233312221130 in words is "two hundred thirty-three billion, three hundred twelve million, two hundred twenty-one thousand, one hundred thirty".