43288233687331 has 2 divisors, whose sum is σ = 43288233687332. Its totient is φ = 43288233687330.

The previous prime is 43288233687277. The next prime is 43288233687341. The reversal of 43288233687331 is 13378633288234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43288233687331 - 2⁷ = 43288233687203 is a prime.

It is a super-2 number, since 2×43288233687331² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43288233687331.

It is not a weakly prime, because it can be changed into another prime (43288233687341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21644116843665 + 21644116843666.

It is an arithmetic number, because the mean of its divisors is an integer number (21644116843666).

Almost surely, 2^{43288233687331} is an apocalyptic number.

43288233687331 is a deficient number, since it is larger than the sum of its proper divisors (1).

43288233687331 is an equidigital number, since it uses as much as digits as its factorization.

43288233687331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 83607552, while the sum is 61.

The spelling of 43288233687331 in words is "forty-three trillion, two hundred eighty-eight billion, two hundred thirty-three million, six hundred eighty-seven thousand, three hundred thirty-one".