111431001320043 has 8 divisors (see below), whose sum is σ = 149659155058128. Its totient is φ = 73745090897664.

The previous prime is 111431001319867. The next prime is 111431001320053. The reversal of 111431001320043 is 340023100134111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111431001320043 - 2³⁸ = 111156123413099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111431001319995 and 111431001320022.

It is not an unprimeable number, because it can be changed into a prime (111431001320053) 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, 135560828446 + ... + 135560829267.

It is an arithmetic number, because the mean of its divisors is an integer number (18707394382266).

Almost surely, 2^{111431001320043} is an apocalyptic number.

111431001320043 is a deficient number, since it is larger than the sum of its proper divisors (38228153738085).

111431001320043 is a wasteful number, since it uses less digits than its factorization.

111431001320043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271121657853.

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

Adding to 111431001320043 its reverse (340023100134111), we get a palindrome (451454101454154).

The spelling of 111431001320043 in words is "one hundred eleven trillion, four hundred thirty-one billion, one million, three hundred twenty thousand, forty-three".