231202112011443 has 64 divisors (see below), whose sum is σ = 353450748787200. Its totient is φ = 149257389951360.

The previous prime is 231202112011313. The next prime is 231202112011471. The reversal of 231202112011443 is 344110211202132.

231202112011443 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 0 + 2 + 11 + 201 + 1 + 443 = 666.

It is not a de Polignac number, because 231202112011443 - 2¹⁷ = 231202111880371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (231202112011043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 260494780 + ... + 261380822.

It is an arithmetic number, because the mean of its divisors is an integer number (5522667949800).

Almost surely, 2^{231202112011443} is an apocalyptic number.

231202112011443 is a deficient number, since it is larger than the sum of its proper divisors (122248636775757).

231202112011443 is a wasteful number, since it uses less digits than its factorization.

231202112011443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887329 (or 887323 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 231202112011443 its reverse (344110211202132), we get a palindrome (575312323213575).

The spelling of 231202112011443 in words is "two hundred thirty-one trillion, two hundred two billion, one hundred twelve million, eleven thousand, four hundred forty-three".