442340115131 has 4 divisors (see below), whose sum is σ = 442531689600. Its totient is φ = 442148540664.

The previous prime is 442340115127. The next prime is 442340115143. The reversal of 442340115131 is 131511043244.

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 442340115131 - 2² = 442340115127 is a prime.

It is a super-2 number, since 2×442340115131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442340115094 and 442340115103.

It is not an unprimeable number, because it can be changed into a prime (442340145131) 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, 95783771 + ... + 95788388.

It is an arithmetic number, because the mean of its divisors is an integer number (110632922400).

Almost surely, 2^442340115131 is an apocalyptic number.

442340115131 is a deficient number, since it is larger than the sum of its proper divisors (191574469).

442340115131 is a wasteful number, since it uses less digits than its factorization.

442340115131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191574468.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 442340115131 its reverse (131511043244), we get a palindrome (573851158375).

The spelling of 442340115131 in words is "four hundred forty-two billion, three hundred forty million, one hundred fifteen thousand, one hundred thirty-one".