111422031431 has 8 divisors (see below), whose sum is σ = 118682716320. Its totient is φ = 104239840768.

The previous prime is 111422031389. The next prime is 111422031437. The reversal of 111422031431 is 134130224111.

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 111422031431 - 2⁶ = 111422031367 is a prime.

It is a super-2 number, since 2×111422031431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111422031397 and 111422031406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111422031437) 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, 19620626 + ... + 19626303.

It is an arithmetic number, because the mean of its divisors is an integer number (14835339540).

Almost surely, 2^111422031431 is an apocalyptic number.

111422031431 is a deficient number, since it is larger than the sum of its proper divisors (7260684889).

111422031431 is a wasteful number, since it uses less digits than its factorization.

111422031431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39247113.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 111422031431 its reverse (134130224111), we get a palindrome (245552255542).

The spelling of 111422031431 in words is "one hundred eleven billion, four hundred twenty-two million, thirty-one thousand, four hundred thirty-one".