43230030331 has 2 divisors, whose sum is σ = 43230030332. Its totient is φ = 43230030330.

The previous prime is 43230030323. The next prime is 43230030341. The reversal of 43230030331 is 13303003234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43230030331 - 2³ = 43230030323 is a prime.

It is a super-2 number, since 2×43230030331² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43230030341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21615015165 + 21615015166.

It is an arithmetic number, because the mean of its divisors is an integer number (21615015166).

Almost surely, 2^43230030331 is an apocalyptic number.

43230030331 is a deficient number, since it is larger than the sum of its proper divisors (1).

43230030331 is an equidigital number, since it uses as much as digits as its factorization.

43230030331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 43230030331 its reverse (13303003234), we get a palindrome (56533033565).

The spelling of 43230030331 in words is "forty-three billion, two hundred thirty million, thirty thousand, three hundred thirty-one".