111312231032 has 16 divisors (see below), whose sum is σ = 220987517760. Its totient is φ = 52382226304.

The previous prime is 111312231013. The next prime is 111312231071. The reversal of 111312231032 is 230132213111.

It is a happy number.

It is a super-5 number, since 5×111312231032⁵ (a number of 56 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111312230995 and 111312231013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409236008 + ... + 409236279.

It is an arithmetic number, because the mean of its divisors is an integer number (13811719860).

Almost surely, 2^111312231032 is an apocalyptic number.

It is an amenable number.

111312231032 is a deficient number, since it is larger than the sum of its proper divisors (109675286728).

111312231032 is a wasteful number, since it uses less digits than its factorization.

111312231032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818472310 (or 818472306 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111312231032 its reverse (230132213111), we get a palindrome (341444444143).

The spelling of 111312231032 in words is "one hundred eleven billion, three hundred twelve million, two hundred thirty-one thousand, thirty-two".