223201131 has 16 divisors (see below), whose sum is σ = 318937344. Its totient is φ = 138482784.

The previous prime is 223201127. The next prime is 223201133. The reversal of 223201131 is 131102322.

It is not a de Polignac number, because 223201131 - 2² = 223201127 is a prime.

It is a super-3 number, since 3×223201131³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 223201131.

It is not an unprimeable number, because it can be changed into a prime (223201133) 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 15 ways as a sum of consecutive naturals, for example, 41161 + ... + 46266.

It is an arithmetic number, because the mean of its divisors is an integer number (19933584).

Almost surely, 2^223201131 is an apocalyptic number.

223201131 is a deficient number, since it is larger than the sum of its proper divisors (95736213).

223201131 is a wasteful number, since it uses less digits than its factorization.

223201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87490.

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

The square root of 223201131 is about 14939.9173692494. The cubic root of 223201131 is about 606.5949591546.

Adding to 223201131 its reverse (131102322), we get a palindrome (354303453).

The spelling of 223201131 in words is "two hundred twenty-three million, two hundred one thousand, one hundred thirty-one".