111311233223131 has 8 divisors (see below), whose sum is σ = 111394146719744. Its totient is φ = 111228323074560.

The previous prime is 111311233223117. The next prime is 111311233223143. The reversal of 111311233223131 is 131322332113111.

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 111311233223131 - 2⁹ = 111311233222619 is a prime.

It is a super-2 number, since 2×111311233223131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111311233223131.

It is not an unprimeable number, because it can be changed into a prime (111911233223131) 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, 67773115 + ... + 69396091.

It is an arithmetic number, because the mean of its divisors is an integer number (13924268339968).

Almost surely, 2^{111311233223131} is an apocalyptic number.

111311233223131 is a deficient number, since it is larger than the sum of its proper divisors (82913496613).

111311233223131 is a wasteful number, since it uses less digits than its factorization.

111311233223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674021.

The product of its digits is 1944, while the sum is 28.

Adding to 111311233223131 its reverse (131322332113111), we get a palindrome (242633565336242).

The spelling of 111311233223131 in words is "one hundred eleven trillion, three hundred eleven billion, two hundred thirty-three million, two hundred twenty-three thousand, one hundred thirty-one".