231342033131 has 16 divisors (see below), whose sum is σ = 260166453120. Its totient is φ = 203914163520.

The previous prime is 231342033031. The next prime is 231342033137. The reversal of 231342033131 is 131330243132.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231342033131 is a prime.

It is a super-2 number, since 2×231342033131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231342033131.

It is not an unprimeable number, because it can be changed into a prime (231342033137) 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, 2394125 + ... + 2488878.

It is an arithmetic number, because the mean of its divisors is an integer number (16260403320).

Almost surely, 2^231342033131 is an apocalyptic number.

231342033131 is a deficient number, since it is larger than the sum of its proper divisors (28824419989).

231342033131 is a wasteful number, since it uses less digits than its factorization.

231342033131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4883146.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 231342033131 its reverse (131330243132), we get a palindrome (362672276263).

The spelling of 231342033131 in words is "two hundred thirty-one billion, three hundred forty-two million, thirty-three thousand, one hundred thirty-one".