20131124343 has 16 divisors (see below), whose sum is σ = 29555300736. Its totient is φ = 12086654240.

The previous prime is 20131124341. The next prime is 20131124411. The reversal of 20131124343 is 34342113102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20131124343 - 2¹ = 20131124341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131124341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2847096 + ... + 2854157.

It is an arithmetic number, because the mean of its divisors is an integer number (1847206296).

Almost surely, 2^20131124343 is an apocalyptic number.

20131124343 is a deficient number, since it is larger than the sum of its proper divisors (9424176393).

20131124343 is a wasteful number, since it uses less digits than its factorization.

20131124343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701374.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20131124343 its reverse (34342113102), we get a palindrome (54473237445).

The spelling of 20131124343 in words is "twenty billion, one hundred thirty-one million, one hundred twenty-four thousand, three hundred forty-three".