223112131 has 16 divisors (see below), whose sum is σ = 260286048. Its totient is φ = 188992000.

The previous prime is 223112129. The next prime is 223112147. The reversal of 223112131 is 131211322.

It is a cyclic number.

It is not a de Polignac number, because 223112131 - 2¹ = 223112129 is a prime.

It is a super-3 number, since 3×223112131³ (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 (223112731) 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, 12981 + ... + 24793.

It is an arithmetic number, because the mean of its divisors is an integer number (16267878).

Almost surely, 2^223112131 is an apocalyptic number.

223112131 is a deficient number, since it is larger than the sum of its proper divisors (37173917).

223112131 is a wasteful number, since it uses less digits than its factorization.

223112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11942.

The product of its digits is 72, while the sum is 16.

The square root of 223112131 is about 14936.9384748013. The cubic root of 223112131 is about 606.5143231704.

Adding to 223112131 its reverse (131211322), we get a palindrome (354323453).

It can be divided in two parts, 22311 and 2131, that added together give a palindrome (24442).

The spelling of 223112131 in words is "two hundred twenty-three million, one hundred twelve thousand, one hundred thirty-one".