43342434401331 has 32 divisors (see below), whose sum is σ = 62289015747840. Its totient is φ = 26649250303104.

The previous prime is 43342434401303. The next prime is 43342434401333. The reversal of 43342434401331 is 13310443424334.

It is not a de Polignac number, because 43342434401331 - 2⁶ = 43342434401267 is a prime.

It is a super-2 number, since 2×43342434401331² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 43342434401331.

It is not an unprimeable number, because it can be changed into a prime (43342434401333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265322980 + ... + 265486286.

It is an arithmetic number, because the mean of its divisors is an integer number (1946531742120).

Almost surely, 2^{43342434401331} is an apocalyptic number.

43342434401331 is a deficient number, since it is larger than the sum of its proper divisors (18946581346509).

43342434401331 is a wasteful number, since it uses less digits than its factorization.

43342434401331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169155.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 43342434401331 its reverse (13310443424334), we get a palindrome (56652877825665).

The spelling of 43342434401331 in words is "forty-three trillion, three hundred forty-two billion, four hundred thirty-four million, four hundred one thousand, three hundred thirty-one".