442113204213131 has 16 divisors (see below), whose sum is σ = 484371601059456. Its totient is φ = 400199636400000.

The previous prime is 442113204213017. The next prime is 442113204213133. The reversal of 442113204213131 is 131312402311244.

It is a cyclic number.

It is not a de Polignac number, because 442113204213131 - 2¹⁰ = 442113204212107 is a prime.

It is a super-2 number, since 2×442113204213131² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442113204213133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8561336 + ... + 30943866.

It is an arithmetic number, because the mean of its divisors is an integer number (30273225066216).

Almost surely, 2^{442113204213131} is an apocalyptic number.

442113204213131 is a deficient number, since it is larger than the sum of its proper divisors (42258396846325).

442113204213131 is a wasteful number, since it uses less digits than its factorization.

442113204213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22390234.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 442113204213131 its reverse (131312402311244), we get a palindrome (573425606524375).

The spelling of 442113204213131 in words is "four hundred forty-two trillion, one hundred thirteen billion, two hundred four million, two hundred thirteen thousand, one hundred thirty-one".