16442071731313 has 8 divisors (see below), whose sum is σ = 16491978769536. Its totient is φ = 16392166098000.

The previous prime is 16442071731311. The next prime is 16442071731419. The reversal of 16442071731313 is 31313717024461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16442071731313 - 2¹ = 16442071731311 is a prime.

It is a super-3 number, since 3×16442071731313³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16442071731313.

It is not an unprimeable number, because it can be changed into a prime (16442071731311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26110263 + ... + 26732563.

It is an arithmetic number, because the mean of its divisors is an integer number (2061497346192).

Almost surely, 2^{16442071731313} is an apocalyptic number.

It is an amenable number.

16442071731313 is a deficient number, since it is larger than the sum of its proper divisors (49907038223).

16442071731313 is an equidigital number, since it uses as much as digits as its factorization.

16442071731313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702455.

The product of its (nonzero) digits is 254016, while the sum is 43.

Adding to 16442071731313 its reverse (31313717024461), we get a palindrome (47755788755774).

The spelling of 16442071731313 in words is "sixteen trillion, four hundred forty-two billion, seventy-one million, seven hundred thirty-one thousand, three hundred thirteen".