231032312021011 has 2 divisors, whose sum is σ = 231032312021012. Its totient is φ = 231032312021010.

The previous prime is 231032312020919. The next prime is 231032312021039. The reversal of 231032312021011 is 110120213230132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231032312021011 - 2¹⁵ = 231032311988243 is a prime.

It is not a weakly prime, because it can be changed into another prime (231032312021111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115516156010505 + 115516156010506.

It is an arithmetic number, because the mean of its divisors is an integer number (115516156010506).

Almost surely, 2^{231032312021011} is an apocalyptic number.

231032312021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

231032312021011 is an equidigital number, since it uses as much as digits as its factorization.

231032312021011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 231032312021011 its reverse (110120213230132), we get a palindrome (341152525251143).

The spelling of 231032312021011 in words is "two hundred thirty-one trillion, thirty-two billion, three hundred twelve million, twenty-one thousand, eleven".