43131030200231 has 4 divisors (see below), whose sum is σ = 45668149623792. Its totient is φ = 40593910776672.

The previous prime is 43131030200189. The next prime is 43131030200233. The reversal of 43131030200231 is 13200203013134.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43131030200231 is a prime.

It is a super-2 number, since 2×43131030200231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43131030200197 and 43131030200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43131030200233) 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, 1268559711755 + ... + 1268559711788.

It is an arithmetic number, because the mean of its divisors is an integer number (11417037405948).

Almost surely, 2^{43131030200231} is an apocalyptic number.

43131030200231 is a deficient number, since it is larger than the sum of its proper divisors (2537119423561).

43131030200231 is a wasteful number, since it uses less digits than its factorization.

43131030200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537119423560.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 43131030200231 its reverse (13200203013134), we get a palindrome (56331233213365).

The spelling of 43131030200231 in words is "forty-three trillion, one hundred thirty-one billion, thirty million, two hundred thousand, two hundred thirty-one".