111431411031 has 8 divisors (see below), whose sum is σ = 149572364400. Its totient is φ = 73789032512.

The previous prime is 111431411029. The next prime is 111431411051. The reversal of 111431411031 is 130114134111.

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 111431411031 - 2¹ = 111431411029 is a prime.

It is a super-2 number, since 2×111431411031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111431410989 and 111431411007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111431411051) 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, 124643190 + ... + 124644083.

It is an arithmetic number, because the mean of its divisors is an integer number (18696545550).

Almost surely, 2^111431411031 is an apocalyptic number.

111431411031 is a deficient number, since it is larger than the sum of its proper divisors (38140953369).

111431411031 is a wasteful number, since it uses less digits than its factorization.

111431411031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249287425.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 111431411031 its reverse (130114134111), we get a palindrome (241545545142).

The spelling of 111431411031 in words is "one hundred eleven billion, four hundred thirty-one million, four hundred eleven thousand, thirty-one".