331143210441231 has 4 divisors (see below), whose sum is σ = 441524280588312. Its totient is φ = 220762140294152.

The previous prime is 331143210441223. The next prime is 331143210441371. The reversal of 331143210441231 is 132144012341133.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 331143210441231 - 2³ = 331143210441223 is a prime.

It is a super-2 number, since 2×331143210441231² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331143210441192 and 331143210441201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331143210441931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55190535073536 + ... + 55190535073541.

It is an arithmetic number, because the mean of its divisors is an integer number (110381070147078).

Almost surely, 2^{331143210441231} is an apocalyptic number.

331143210441231 is a deficient number, since it is larger than the sum of its proper divisors (110381070147081).

331143210441231 is a wasteful number, since it uses less digits than its factorization.

331143210441231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110381070147080.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 331143210441231 its reverse (132144012341133), we get a palindrome (463287222782364).

The spelling of 331143210441231 in words is "three hundred thirty-one trillion, one hundred forty-three billion, two hundred ten million, four hundred forty-one thousand, two hundred thirty-one".