223031133021 has 32 divisors (see below), whose sum is σ = 320965632000. Its totient is φ = 137254291200.

The previous prime is 223031133011. The next prime is 223031133037. The reversal of 223031133021 is 120331130322.

It is not a de Polignac number, because 223031133021 - 2³⁰ = 221957391197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223031133011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425080 + ... + 791678.

It is an arithmetic number, because the mean of its divisors is an integer number (10030176000).

Almost surely, 2^223031133021 is an apocalyptic number.

It is an amenable number.

223031133021 is a deficient number, since it is larger than the sum of its proper divisors (97934498979).

223031133021 is a wasteful number, since it uses less digits than its factorization.

223031133021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366849.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 223031133021 its reverse (120331130322), we get a palindrome (343362263343).

The spelling of 223031133021 in words is "two hundred twenty-three billion, thirty-one million, one hundred thirty-three thousand, twenty-one".