223001131 has 4 divisors (see below), whose sum is σ = 226142064. Its totient is φ = 219860200.

The previous prime is 223001117. The next prime is 223001137. The reversal of 223001131 is 131100322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223001131 - 2⁵ = 223001099 is a prime.

It is a super-2 number, since 2×223001131² = 99459008854558322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223001137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1570360 + ... + 1570501.

It is an arithmetic number, because the mean of its divisors is an integer number (56535516).

Almost surely, 2^223001131 is an apocalyptic number.

223001131 is a deficient number, since it is larger than the sum of its proper divisors (3140933).

223001131 is an equidigital number, since it uses as much as digits as its factorization.

223001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140932.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 223001131 is about 14933.2223917010. Note that the first 3 decimals coincide. The cubic root of 223001131 is about 606.4137246399.

Adding to 223001131 its reverse (131100322), we get a palindrome (354101453).

The spelling of 223001131 in words is "two hundred twenty-three million, one thousand, one hundred thirty-one".