43522053231 has 16 divisors (see below), whose sum is σ = 59949440000. Its totient is φ = 28056188160.

The previous prime is 43522053229. The next prime is 43522053241. The reversal of 43522053231 is 13235022534.

43522053231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43522053231 - 2¹ = 43522053229 is a prime.

It is a super-2 number, since 2×43522053231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43522053241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71185 + ... + 303498.

It is an arithmetic number, because the mean of its divisors is an integer number (3746840000).

Almost surely, 2^43522053231 is an apocalyptic number.

43522053231 is a deficient number, since it is larger than the sum of its proper divisors (16427386769).

43522053231 is a wasteful number, since it uses less digits than its factorization.

43522053231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375966.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 43522053231 its reverse (13235022534), we get a palindrome (56757075765).

The spelling of 43522053231 in words is "forty-three billion, five hundred twenty-two million, fifty-three thousand, two hundred thirty-one".