43442052306931 has 2 divisors, whose sum is σ = 43442052306932. Its totient is φ = 43442052306930.

The previous prime is 43442052306889. The next prime is 43442052306943. The reversal of 43442052306931 is 13960325024434.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43442052306931 - 2¹³ = 43442052298739 is a prime.

It is a super-2 number, since 2×43442052306931² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43442052306431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21721026153465 + 21721026153466.

It is an arithmetic number, because the mean of its divisors is an integer number (21721026153466).

Almost surely, 2^{43442052306931} is an apocalyptic number.

43442052306931 is a deficient number, since it is larger than the sum of its proper divisors (1).

43442052306931 is an equidigital number, since it uses as much as digits as its factorization.

43442052306931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 43442052306931 in words is "forty-three trillion, four hundred forty-two billion, fifty-two million, three hundred six thousand, nine hundred thirty-one".