223131132011 has 4 divisors (see below), whose sum is σ = 225955576800. Its totient is φ = 220306687224.

The previous prime is 223131131989. The next prime is 223131132031. The reversal of 223131132011 is 110231131322.

It is a happy number.

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 223131132011 - 2³⁴ = 205951262827 is a prime.

It is a super-3 number, since 3×223131132011³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223131132031) 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, 1412222276 + ... + 1412222433.

It is an arithmetic number, because the mean of its divisors is an integer number (56488894200).

Almost surely, 2^223131132011 is an apocalyptic number.

223131132011 is a deficient number, since it is larger than the sum of its proper divisors (2824444789).

223131132011 is an equidigital number, since it uses as much as digits as its factorization.

223131132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824444788.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 223131132011 its reverse (110231131322), we get a palindrome (333362263333).

The spelling of 223131132011 in words is "two hundred twenty-three billion, one hundred thirty-one million, one hundred thirty-two thousand, eleven".