442012143311 has 4 divisors (see below), whose sum is σ = 443655311400. Its totient is φ = 440368975224.

The previous prime is 442012143299. The next prime is 442012143317. The reversal of 442012143311 is 113341210244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442012143311 - 2¹⁰ = 442012142287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442012143317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821583641 + ... + 821584178.

It is an arithmetic number, because the mean of its divisors is an integer number (110913827850).

Almost surely, 2^442012143311 is an apocalyptic number.

442012143311 is a deficient number, since it is larger than the sum of its proper divisors (1643168089).

442012143311 is a wasteful number, since it uses less digits than its factorization.

442012143311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643168088.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 442012143311 its reverse (113341210244), we get a palindrome (555353353555).

The spelling of 442012143311 in words is "four hundred forty-two billion, twelve million, one hundred forty-three thousand, three hundred eleven".