231121233301 has 16 divisors (see below), whose sum is σ = 269479342080. Its totient is φ = 194119919280.

The previous prime is 231121233293. The next prime is 231121233313. The reversal of 231121233301 is 103332121132.

It is not a de Polignac number, because 231121233301 - 2³ = 231121233293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231121233361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771261 + ... + 1028146.

It is an arithmetic number, because the mean of its divisors is an integer number (16842458880).

Almost surely, 2^231121233301 is an apocalyptic number.

It is an amenable number.

231121233301 is a deficient number, since it is larger than the sum of its proper divisors (38358108779).

231121233301 is a wasteful number, since it uses less digits than its factorization.

231121233301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799784.

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

Adding to 231121233301 its reverse (103332121132), we get a palindrome (334453354433).

The spelling of 231121233301 in words is "two hundred thirty-one billion, one hundred twenty-one million, two hundred thirty-three thousand, three hundred one".