231111320411043 has 24 divisors (see below), whose sum is σ = 350355236224032. Its totient is φ = 146523454184448.

The previous prime is 231111320411033. The next prime is 231111320411051. The reversal of 231111320411043 is 340114023111132.

231111320411043 is a `hidden beast` number, since 2 + 3 + 111 + 132 + 0 + 411 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 231111320411043 - 2⁵ = 231111320411011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231111320410998 and 231111320411016.

It is not an unprimeable number, because it can be changed into a prime (231111320411033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3226784446 + ... + 3226856067.

It is an arithmetic number, because the mean of its divisors is an integer number (14598134842668).

Almost surely, 2^{231111320411043} is an apocalyptic number.

231111320411043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231111320411043 is a deficient number, since it is larger than the sum of its proper divisors (119243915812989).

231111320411043 is a wasteful number, since it uses less digits than its factorization.

231111320411043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6453640715 (or 6453640712 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 231111320411043 its reverse (340114023111132), we get a palindrome (571225343522175).

The spelling of 231111320411043 in words is "two hundred thirty-one trillion, one hundred eleven billion, three hundred twenty million, four hundred eleven thousand, forty-three".