231321203032011 has 32 divisors (see below), whose sum is σ = 312238496908800. Its totient is φ = 152316543532800.

The previous prime is 231321203032009. The next prime is 231321203032019. The reversal of 231321203032011 is 110230302123132.

It is not a de Polignac number, because 231321203032011 - 2¹ = 231321203032009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231321203032019) 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, 907979695 + ... + 908234423.

It is an arithmetic number, because the mean of its divisors is an integer number (9757453028400).

Almost surely, 2^{231321203032011} is an apocalyptic number.

231321203032011 is a deficient number, since it is larger than the sum of its proper divisors (80917293876789).

231321203032011 is a wasteful number, since it uses less digits than its factorization.

231321203032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262099.

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

Adding to 231321203032011 its reverse (110230302123132), we get a palindrome (341551505155143).

The spelling of 231321203032011 in words is "two hundred thirty-one trillion, three hundred twenty-one billion, two hundred three million, thirty-two thousand, eleven".