112340405531 has 4 divisors (see below), whose sum is σ = 115080415464. Its totient is φ = 109600395600.

The previous prime is 112340405521. The next prime is 112340405561. The reversal of 112340405531 is 135504043211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135504043211 = 194101 ⋅698111.

It is a cyclic number.

It is not a de Polignac number, because 112340405531 - 2¹⁰ = 112340404507 is a prime.

It is a super-3 number, since 3×112340405531³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112340405494 and 112340405503.

It is not an unprimeable number, because it can be changed into a prime (112340405521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370004905 + ... + 1370004986.

It is an arithmetic number, because the mean of its divisors is an integer number (28770103866).

Almost surely, 2^112340405531 is an apocalyptic number.

112340405531 is a deficient number, since it is larger than the sum of its proper divisors (2740009933).

112340405531 is an equidigital number, since it uses as much as digits as its factorization.

112340405531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740009932.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 112340405531 its reverse (135504043211), we get a palindrome (247844448742).

The spelling of 112340405531 in words is "one hundred twelve billion, three hundred forty million, four hundred five thousand, five hundred thirty-one".