20110031043 has 8 divisors (see below), whose sum is σ = 26866683648. Its totient is φ = 13380032904.

The previous prime is 20110031041. The next prime is 20110031077. The reversal of 20110031043 is 34013001102.

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

It is not a de Polignac number, because 20110031043 - 2¹ = 20110031041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20110031041) 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, 6661855 + ... + 6664872.

It is an arithmetic number, because the mean of its divisors is an integer number (3358335456).

Almost surely, 2^20110031043 is an apocalyptic number.

20110031043 is a deficient number, since it is larger than the sum of its proper divisors (6756652605).

20110031043 is a wasteful number, since it uses less digits than its factorization.

20110031043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13327233.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20110031043 its reverse (34013001102), we get a palindrome (54123032145).

The spelling of 20110031043 in words is "twenty billion, one hundred ten million, thirty-one thousand, forty-three".