42441552331 has 2 divisors, whose sum is σ = 42441552332. Its totient is φ = 42441552330.

The previous prime is 42441552319. The next prime is 42441552341. The reversal of 42441552331 is 13325514424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42441552331 - 2⁵ = 42441552299 is a prime.

It is a super-2 number, since 2×42441552331² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42441552301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21220776165 + 21220776166.

It is an arithmetic number, because the mean of its divisors is an integer number (21220776166).

Almost surely, 2^42441552331 is an apocalyptic number.

42441552331 is a deficient number, since it is larger than the sum of its proper divisors (1).

42441552331 is an equidigital number, since it uses as much as digits as its factorization.

42441552331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 34.

The spelling of 42441552331 in words is "forty-two billion, four hundred forty-one million, five hundred fifty-two thousand, three hundred thirty-one".