23111122031331 has 8 divisors (see below), whose sum is σ = 31531453314240. Its totient is φ = 15049102717992.

The previous prime is 23111122031317. The next prime is 23111122031339. The reversal of 23111122031331 is 13313022111132.

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

It is not a de Polignac number, because 23111122031331 - 2¹⁵ = 23111121998563 is a prime.

It is a super-2 number, since 2×23111122031331² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23111122031339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89577992241 + ... + 89577992498.

It is an arithmetic number, because the mean of its divisors is an integer number (3941431664280).

Almost surely, 2^{23111122031331} is an apocalyptic number.

23111122031331 is a deficient number, since it is larger than the sum of its proper divisors (8420331282909).

23111122031331 is a wasteful number, since it uses less digits than its factorization.

23111122031331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179155984785.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 23111122031331 its reverse (13313022111132), we get a palindrome (36424144142463).

The spelling of 23111122031331 in words is "twenty-three trillion, one hundred eleven billion, one hundred twenty-two million, thirty-one thousand, three hundred thirty-one".