43032331121 has 4 divisors (see below), whose sum is σ = 46342510452. Its totient is φ = 39722151792.

The previous prime is 43032331099. The next prime is 43032331129. The reversal of 43032331121 is 12113323034.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6192903025 + 36839428096 = 78695^2 + 191936^2 .

It is a cyclic number.

It is not a de Polignac number, because 43032331121 - 2¹⁰ = 43032330097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43032331129) 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, 1655089646 + ... + 1655089671.

It is an arithmetic number, because the mean of its divisors is an integer number (11585627613).

Almost surely, 2^43032331121 is an apocalyptic number.

It is an amenable number.

43032331121 is a deficient number, since it is larger than the sum of its proper divisors (3310179331).

43032331121 is a wasteful number, since it uses less digits than its factorization.

43032331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310179330.

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

Adding to 43032331121 its reverse (12113323034), we get a palindrome (55145654155).

The spelling of 43032331121 in words is "forty-three billion, thirty-two million, three hundred thirty-one thousand, one hundred twenty-one".