231341143133 has 4 divisors (see below), whose sum is σ = 241399453728. Its totient is φ = 221282832540.

The previous prime is 231341143127. The next prime is 231341143147. The reversal of 231341143133 is 331341143132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231341143133 - 2¹⁴ = 231341126749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231341143096 and 231341143105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231341143153) 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, 5029155263 + ... + 5029155308.

It is an arithmetic number, because the mean of its divisors is an integer number (60349863432).

Almost surely, 2^231341143133 is an apocalyptic number.

231341143133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

231341143133 is a deficient number, since it is larger than the sum of its proper divisors (10058310595).

231341143133 is a wasteful number, since it uses less digits than its factorization.

231341143133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10058310594.

The product of its digits is 7776, while the sum is 29.

Adding to 231341143133 its reverse (331341143132), we get a palindrome (562682286265).

Subtracting 231341143133 from its reverse (331341143132), we obtain a palindrome (99999999999).

The spelling of 231341143133 in words is "two hundred thirty-one billion, three hundred forty-one million, one hundred forty-three thousand, one hundred thirty-three".