231532023111 has 8 divisors (see below), whose sum is σ = 309593919600. Its totient is φ = 153912404352.

The previous prime is 231532023091. The next prime is 231532023131. The reversal of 231532023111 is 111320235132.

It is a happy number.

231532023111 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 (231532023091) and next prime (231532023131).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231532023111 - 2²⁵ = 231498468679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231532023131) 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 7 ways as a sum of consecutive naturals, for example, 110568210 + ... + 110570303.

It is an arithmetic number, because the mean of its divisors is an integer number (38699239950).

Almost surely, 2^231532023111 is an apocalyptic number.

231532023111 is a deficient number, since it is larger than the sum of its proper divisors (78061896489).

231532023111 is a wasteful number, since it uses less digits than its factorization.

231532023111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221138865.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 231532023111 its reverse (111320235132), we get a palindrome (342852258243).

The spelling of 231532023111 in words is "two hundred thirty-one billion, five hundred thirty-two million, twenty-three thousand, one hundred eleven".