42431321011201 has 2 divisors, whose sum is σ = 42431321011202. Its totient is φ = 42431321011200.

The previous prime is 42431321011139. The next prime is 42431321011213. The reversal of 42431321011201 is 10211012313424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38892497868225 + 3538823142976 = 6236385^2 + 1881176^2 .

It is a cyclic number.

It is not a de Polignac number, because 42431321011201 - 2²⁷ = 42431186793473 is a prime.

It is not a weakly prime, because it can be changed into another prime (42431321018201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21215660505600 + 21215660505601.

It is an arithmetic number, because the mean of its divisors is an integer number (21215660505601).

Almost surely, 2^{42431321011201} is an apocalyptic number.

It is an amenable number.

42431321011201 is a deficient number, since it is larger than the sum of its proper divisors (1).

42431321011201 is an equidigital number, since it uses as much as digits as its factorization.

42431321011201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 42431321011201 its reverse (10211012313424), we get a palindrome (52642333324625).

The spelling of 42431321011201 in words is "forty-two trillion, four hundred thirty-one billion, three hundred twenty-one million, eleven thousand, two hundred one".