231331212203301 has 24 divisors (see below), whose sum is σ = 381889442305280. Its totient is φ = 132186028972896.

The previous prime is 231331212203297. The next prime is 231331212203303. The reversal of 231331212203301 is 103302212133132.

231331212203301 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 312 + 12 + 2 + 0 + 330 + 1 = 666.

It is not a de Polignac number, because 231331212203301 - 2² = 231331212203297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231331212203303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42336730 + ... + 47487483.

Almost surely, 2^{231331212203301} is an apocalyptic number.

231331212203301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

231331212203301 is a deficient number, since it is larger than the sum of its proper divisors (150558230101979).

231331212203301 is a wasteful number, since it uses less digits than its factorization.

231331212203301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89865105 (or 89865102 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 231331212203301 its reverse (103302212133132), we get a palindrome (334633424336433).

The spelling of 231331212203301 in words is "two hundred thirty-one trillion, three hundred thirty-one billion, two hundred twelve million, two hundred three thousand, three hundred one".