43015231151 has 4 divisors (see below), whose sum is σ = 43533487032. Its totient is φ = 42496975272.

The previous prime is 43015231123. The next prime is 43015231169. The reversal of 43015231151 is 15113251034.

43015231151 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.

It is a cyclic number.

It is not a de Polignac number, because 43015231151 - 2¹⁸ = 43014969007 is a prime.

It is a super-2 number, since 2×43015231151² (a number of 22 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 43015231151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43015239151) 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, 259127816 + ... + 259127981.

It is an arithmetic number, because the mean of its divisors is an integer number (10883371758).

Almost surely, 2^43015231151 is an apocalyptic number.

43015231151 is a deficient number, since it is larger than the sum of its proper divisors (518255881).

43015231151 is an equidigital number, since it uses as much as digits as its factorization.

43015231151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518255880.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 43015231151 its reverse (15113251034), we get a palindrome (58128482185).

The spelling of 43015231151 in words is "forty-three billion, fifteen million, two hundred thirty-one thousand, one hundred fifty-one".