111124303431 has 32 divisors (see below), whose sum is σ = 160070803200. Its totient is φ = 68359230720.

The previous prime is 111124303429. The next prime is 111124303439. The reversal of 111124303431 is 134303421111.

It is a happy number.

It is not a de Polignac number, because 111124303431 - 2¹ = 111124303429 is a prime.

It is a super-2 number, since 2×111124303431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111124303439) 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, 176421 + ... + 503361.

It is an arithmetic number, because the mean of its divisors is an integer number (5002212600).

Almost surely, 2^111124303431 is an apocalyptic number.

111124303431 is a deficient number, since it is larger than the sum of its proper divisors (48946499769).

111124303431 is a wasteful number, since it uses less digits than its factorization.

111124303431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327119.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 111124303431 its reverse (134303421111), we get a palindrome (245427724542).

The spelling of 111124303431 in words is "one hundred eleven billion, one hundred twenty-four million, three hundred three thousand, four hundred thirty-one".