223130331 has 24 divisors (see below), whose sum is σ = 326336400. Its totient is φ = 146903616.

The previous prime is 223130329. The next prime is 223130377. The reversal of 223130331 is 133031322.

223130331 is a `hidden beast` number, since 22 + 313 + 0 + 331 = 666.

It is not a de Polignac number, because 223130331 - 2¹ = 223130329 is a prime.

It is a super-3 number, since 3×223130331³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (223130231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304041 + ... + 304773.

It is an arithmetic number, because the mean of its divisors is an integer number (13597350).

Almost surely, 2^223130331 is an apocalyptic number.

223130331 is a deficient number, since it is larger than the sum of its proper divisors (103206069).

223130331 is a wasteful number, since it uses less digits than its factorization.

223130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 223130331 is about 14937.5476903004. The cubic root of 223130331 is about 606.5308145202.

Adding to 223130331 its reverse (133031322), we get a palindrome (356161653).

Subtracting from 223130331 its reverse (133031322), we obtain a palindrome (90099009).

The spelling of 223130331 in words is "two hundred twenty-three million, one hundred thirty thousand, three hundred thirty-one".