231203323120011 has 32 divisors (see below), whose sum is σ = 345392600732928. Its totient is φ = 136333039328640.

The previous prime is 231203323119973. The next prime is 231203323120051. The reversal of 231203323120011 is 110021323302132.

231203323120011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231203323120011 - 2²¹ = 231203321022859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231203323120051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52641985 + ... + 56864621.

It is an arithmetic number, because the mean of its divisors is an integer number (10793518772904).

Almost surely, 2^{231203323120011} is an apocalyptic number.

231203323120011 is a deficient number, since it is larger than the sum of its proper divisors (114189277612917).

231203323120011 is a wasteful number, since it uses less digits than its factorization.

231203323120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267531.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 231203323120011 its reverse (110021323302132), we get a palindrome (341224646422143).

The spelling of 231203323120011 in words is "two hundred thirty-one trillion, two hundred three billion, three hundred twenty-three million, one hundred twenty thousand, eleven".