23011222211031 has 8 divisors (see below), whose sum is σ = 30681762161904. Its totient is φ = 15340748533760.

The previous prime is 23011222210973. The next prime is 23011222211053. The reversal of 23011222211031 is 13011222211032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23011222211031 - 2⁹ = 23011222210519 is a prime.

It is a super-2 number, since 2×23011222211031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23011222210989 and 23011222211007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23011222211531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15752490 + ... + 17151191.

It is an arithmetic number, because the mean of its divisors is an integer number (3835220270238).

Almost surely, 2^{23011222211031} is an apocalyptic number.

23011222211031 is a deficient number, since it is larger than the sum of its proper divisors (7670539950873).

23011222211031 is a wasteful number, since it uses less digits than its factorization.

23011222211031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33136801.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 23011222211031 its reverse (13011222211032), we get a palindrome (36022444422063).

Subtracting from 23011222211031 its reverse (13011222211032), we obtain a palindrome (9999999999999).

The spelling of 23011222211031 in words is "twenty-three trillion, eleven billion, two hundred twenty-two million, two hundred eleven thousand, thirty-one".