231121203312001 has 8 divisors (see below), whose sum is σ = 241184584888704. Its totient is φ = 221059041202560.

The previous prime is 231121203311987. The next prime is 231121203312007. The reversal of 231121203312001 is 100213302121132.

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 231121203312001 - 2⁹ = 231121203311489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231121203312007) 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, 304479501 + ... + 305237626.

It is an arithmetic number, because the mean of its divisors is an integer number (30148073111088).

Almost surely, 2^{231121203312001} is an apocalyptic number.

It is an amenable number.

231121203312001 is a deficient number, since it is larger than the sum of its proper divisors (10063381576703).

231121203312001 is a wasteful number, since it uses less digits than its factorization.

231121203312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609733631.

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

Adding to 231121203312001 its reverse (100213302121132), we get a palindrome (331334505433133).

The spelling of 231121203312001 in words is "two hundred thirty-one trillion, one hundred twenty-one billion, two hundred three million, three hundred twelve thousand, one".