231341440011 has 32 divisors (see below), whose sum is σ = 342203927040. Its totient is φ = 137840102400.

The previous prime is 231341440009. The next prime is 231341440013. The reversal of 231341440011 is 110044143132.

231341440011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231341440009) and next prime (231341440013).

It is not a de Polignac number, because 231341440011 - 2¹ = 231341440009 is a prime.

It is a super-2 number, since 2×231341440011² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231341440013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 687225 + ... + 966933.

It is an arithmetic number, because the mean of its divisors is an integer number (10693872720).

Almost surely, 2^231341440011 is an apocalyptic number.

231341440011 is a deficient number, since it is larger than the sum of its proper divisors (110862487029).

231341440011 is a wasteful number, since it uses less digits than its factorization.

231341440011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280147.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 231341440011 its reverse (110044143132), we get a palindrome (341385583143).

The spelling of 231341440011 in words is "two hundred thirty-one billion, three hundred forty-one million, four hundred forty thousand, eleven".