43113232234381 has 2 divisors, whose sum is σ = 43113232234382. Its totient is φ = 43113232234380.

The previous prime is 43113232234351. The next prime is 43113232234421. The reversal of 43113232234381 is 18343223231134.

It is an a-pointer prime, because the next prime (43113232234421) can be obtained adding 43113232234381 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38898796872100 + 4214435362281 = 6236890^2 + 2052909^2 .

It is a cyclic number.

It is not a de Polignac number, because 43113232234381 - 2¹⁷ = 43113232103309 is a prime.

It is a super-2 number, since 2×43113232234381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43113232234351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21556616117190 + 21556616117191.

It is an arithmetic number, because the mean of its divisors is an integer number (21556616117191).

Almost surely, 2^{43113232234381} is an apocalyptic number.

It is an amenable number.

43113232234381 is a deficient number, since it is larger than the sum of its proper divisors (1).

43113232234381 is an equidigital number, since it uses as much as digits as its factorization.

43113232234381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 40.

The spelling of 43113232234381 in words is "forty-three trillion, one hundred thirteen billion, two hundred thirty-two million, two hundred thirty-four thousand, three hundred eighty-one".