442341131 has 2 divisors, whose sum is σ = 442341132. Its totient is φ = 442341130.

The previous prime is 442341101. The next prime is 442341167. The reversal of 442341131 is 131143244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442341131 - 2²² = 438146827 is a prime.

It is a super-2 number, since 2×442341131² = 391331352348718322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 442341097 and 442341106.

It is not a weakly prime, because it can be changed into another prime (442341101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221170565 + 221170566.

It is an arithmetic number, because the mean of its divisors is an integer number (221170566).

Almost surely, 2^442341131 is an apocalyptic number.

442341131 is a deficient number, since it is larger than the sum of its proper divisors (1).

442341131 is an equidigital number, since it uses as much as digits as its factorization.

442341131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 442341131 is about 21031.9074503479. The cubic root of 442341131 is about 761.9370778822.

Adding to 442341131 its reverse (131143244), we get a palindrome (573484375).

It can be divided in two parts, 4423 and 41131, that added together give a palindrome (45554).

The spelling of 442341131 in words is "four hundred forty-two million, three hundred forty-one thousand, one hundred thirty-one".