2112341000431 has 4 divisors (see below), whose sum is σ = 2133255267864. Its totient is φ = 2091426733000.

The previous prime is 2112341000387. The next prime is 2112341000509. The reversal of 2112341000431 is 1340001432112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112341000431 is a prime.

It is a super-2 number, since 2×2112341000431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112341009431) 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, 10457133565 + ... + 10457133766.

It is an arithmetic number, because the mean of its divisors is an integer number (533313816966).

Almost surely, 2^{2112341000431} is an apocalyptic number.

2112341000431 is a deficient number, since it is larger than the sum of its proper divisors (20914267433).

2112341000431 is a wasteful number, since it uses less digits than its factorization.

2112341000431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20914267432.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2112341000431 its reverse (1340001432112), we get a palindrome (3452342432543).

The spelling of 2112341000431 in words is "two trillion, one hundred twelve billion, three hundred forty-one million, four hundred thirty-one", and thus it is an aban number.