111342432431 has 8 divisors (see below), whose sum is σ = 112099916544. Its totient is φ = 110587512600.

The previous prime is 111342432391. The next prime is 111342432449. The reversal of 111342432431 is 134234243111.

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 111342432431 - 2¹⁴ = 111342416047 is a prime.

It is a super-2 number, since 2×111342432431² (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 = 111342432394 and 111342432403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111342462431) 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, 553895 + ... + 727656.

It is an arithmetic number, because the mean of its divisors is an integer number (14012489568).

Almost surely, 2^111342432431 is an apocalyptic number.

111342432431 is a deficient number, since it is larger than the sum of its proper divisors (757484113).

111342432431 is a wasteful number, since it uses less digits than its factorization.

111342432431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282141.

The product of its digits is 6912, while the sum is 29.

Adding to 111342432431 its reverse (134234243111), we get a palindrome (245576675542).

The spelling of 111342432431 in words is "one hundred eleven billion, three hundred forty-two million, four hundred thirty-two thousand, four hundred thirty-one".