231321200133 has 8 divisors (see below), whose sum is σ = 324661333600. Its totient is φ = 146097600048.

The previous prime is 231321200111. The next prime is 231321200137. The reversal of 231321200133 is 331002123132.

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

It is not a de Polignac number, because 231321200133 - 2¹⁴ = 231321183749 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 (231321200137) 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, 2029133278 + ... + 2029133391.

It is an arithmetic number, because the mean of its divisors is an integer number (40582666700).

Almost surely, 2^231321200133 is an apocalyptic number.

It is an amenable number.

231321200133 is a deficient number, since it is larger than the sum of its proper divisors (93340133467).

231321200133 is a wasteful number, since it uses less digits than its factorization.

231321200133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058266691.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231321200133 its reverse (331002123132), we get a palindrome (562323323265).

The spelling of 231321200133 in words is "two hundred thirty-one billion, three hundred twenty-one million, two hundred thousand, one hundred thirty-three".