231332123011 has 8 divisors (see below), whose sum is σ = 261064465200. Its totient is φ = 203050139040.

The previous prime is 231332122981. The next prime is 231332123021. The reversal of 231332123011 is 110321233132.

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

It is a cyclic number.

It is not a de Polignac number, because 231332123011 - 2¹¹ = 231332120963 is a prime.

It is a super-2 number, since 2×231332123011² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231332123021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362589216 + ... + 362589853.

It is an arithmetic number, because the mean of its divisors is an integer number (32633058150).

Almost surely, 2^231332123011 is an apocalyptic number.

231332123011 is a deficient number, since it is larger than the sum of its proper divisors (29732342189).

231332123011 is a wasteful number, since it uses less digits than its factorization.

231332123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725179109.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 231332123011 its reverse (110321233132), we get a palindrome (341653356143).

It can be divided in two parts, 2313321 and 23011, that added together give a palindrome (2336332).

The spelling of 231332123011 in words is "two hundred thirty-one billion, three hundred thirty-two million, one hundred twenty-three thousand, eleven".