231201013033021 has 16 divisors (see below), whose sum is σ = 245807947598400. Its totient is φ = 216838433808000.

The previous prime is 231201013032971. The next prime is 231201013033027. The reversal of 231201013033021 is 120330310102132.

It is a cyclic number.

It is not a de Polignac number, because 231201013033021 - 2¹¹ = 231201013030973 is a prime.

It is a super-3 number, since 3×231201013033021³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231201013032983 and 231201013033001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231201013033027) 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, 9282210 + ... + 23421388.

It is an arithmetic number, because the mean of its divisors is an integer number (15362996724900).

Almost surely, 2^{231201013033021} is an apocalyptic number.

It is an amenable number.

231201013033021 is a deficient number, since it is larger than the sum of its proper divisors (14606934565379).

231201013033021 is a wasteful number, since it uses less digits than its factorization.

231201013033021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14147820.

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

Adding to 231201013033021 its reverse (120330310102132), we get a palindrome (351531323135153).

The spelling of 231201013033021 in words is "two hundred thirty-one trillion, two hundred one billion, thirteen million, thirty-three thousand, twenty-one".