43244004343231 has 4 divisors (see below), whose sum is σ = 43284685439632. Its totient is φ = 43203323246832.

The previous prime is 43244004343223. The next prime is 43244004343249. The reversal of 43244004343231 is 13234340044234.

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 43244004343231 - 2³ = 43244004343223 is a prime.

It is a super-2 number, since 2×43244004343231² (a number of 28 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 (43244004143231) 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, 20340546606 + ... + 20340548731.

It is an arithmetic number, because the mean of its divisors is an integer number (10821171359908).

Almost surely, 2^{43244004343231} is an apocalyptic number.

43244004343231 is a deficient number, since it is larger than the sum of its proper divisors (40681096401).

43244004343231 is a wasteful number, since it uses less digits than its factorization.

43244004343231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40681096400.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 43244004343231 its reverse (13234340044234), we get a palindrome (56478344387465).

The spelling of 43244004343231 in words is "forty-three trillion, two hundred forty-four billion, four million, three hundred forty-three thousand, two hundred thirty-one".