223011031331 has 16 divisors (see below), whose sum is σ = 253882176768. Its totient is φ = 193907498400.

The previous prime is 223011031291. The next prime is 223011031343. The reversal of 223011031331 is 133130110322.

It is a de Polignac number, because none of the positive numbers 2^k-223011031331 is a prime.

It is a super-2 number, since 2×223011031331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223011031231) 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, 4280420 + ... + 4332206.

It is an arithmetic number, because the mean of its divisors is an integer number (15867636048).

Almost surely, 2^223011031331 is an apocalyptic number.

223011031331 is a deficient number, since it is larger than the sum of its proper divisors (30871145437).

223011031331 is a wasteful number, since it uses less digits than its factorization.

223011031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68842.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 223011031331 its reverse (133130110322), we get a palindrome (356141141653).

The spelling of 223011031331 in words is "two hundred twenty-three billion, eleven million, thirty-one thousand, three hundred thirty-one".