442012100245031 has 2 divisors, whose sum is σ = 442012100245032. Its totient is φ = 442012100245030.

The previous prime is 442012100244863. The next prime is 442012100245039. The reversal of 442012100245031 is 130542001210244.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442012100245031 is a prime.

It is a super-2 number, since 2×442012100245031² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442012100244985 and 442012100245003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442012100245039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221006050122515 + 221006050122516.

It is an arithmetic number, because the mean of its divisors is an integer number (221006050122516).

Almost surely, 2^{442012100245031} is an apocalyptic number.

442012100245031 is a deficient number, since it is larger than the sum of its proper divisors (1).

442012100245031 is an equidigital number, since it uses as much as digits as its factorization.

442012100245031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 442012100245031 its reverse (130542001210244), we get a palindrome (572554101455275).

The spelling of 442012100245031 in words is "four hundred forty-two trillion, twelve billion, one hundred million, two hundred forty-five thousand, thirty-one".