43815260231 has 2 divisors, whose sum is σ = 43815260232. Its totient is φ = 43815260230.

The previous prime is 43815260197. The next prime is 43815260249. The reversal of 43815260231 is 13206251834.

43815260231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43815260231 is a prime.

It is a super-2 number, since 2×43815260231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43815260191 and 43815260200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43815260261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21907630115 + 21907630116.

It is an arithmetic number, because the mean of its divisors is an integer number (21907630116).

Almost surely, 2^43815260231 is an apocalyptic number.

43815260231 is a deficient number, since it is larger than the sum of its proper divisors (1).

43815260231 is an equidigital number, since it uses as much as digits as its factorization.

43815260231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 43815260231 in words is "forty-three billion, eight hundred fifteen million, two hundred sixty thousand, two hundred thirty-one".