43210340131 has 4 divisors (see below), whose sum is σ = 49383245872. Its totient is φ = 37037434392.

The previous prime is 43210340119. The next prime is 43210340137. The reversal of 43210340131 is 13104301234.

43210340131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13104301234 = 2 ⋅6552150617.

It is not a de Polignac number, because 43210340131 - 2⁵ = 43210340099 is a prime.

It is a super-2 number, since 2×43210340131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43210340137) 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, 3086452860 + ... + 3086452873.

It is an arithmetic number, because the mean of its divisors is an integer number (12345811468).

Almost surely, 2^43210340131 is an apocalyptic number.

43210340131 is a deficient number, since it is larger than the sum of its proper divisors (6172905741).

43210340131 is an equidigital number, since it uses as much as digits as its factorization.

43210340131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172905740.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 43210340131 its reverse (13104301234), we get a palindrome (56314641365).

The spelling of 43210340131 in words is "forty-three billion, two hundred ten million, three hundred forty thousand, one hundred thirty-one".