16142341231 has 4 divisors (see below), whose sum is σ = 16142686200. Its totient is φ = 16141996264.

The previous prime is 16142341219. The next prime is 16142341247. The reversal of 16142341231 is 13214324161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13214324161 = 199 ⋅66403639.

It is a cyclic number.

It is not a de Polignac number, because 16142341231 - 2⁹ = 16142340719 is a prime.

It is a super-2 number, since 2×16142341231² (a number of 21 digits) contains 22 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 16142341231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16142341331) 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, 88741 + ... + 200398.

It is an arithmetic number, because the mean of its divisors is an integer number (4035671550).

Almost surely, 2^16142341231 is an apocalyptic number.

16142341231 is a deficient number, since it is larger than the sum of its proper divisors (344969).

16142341231 is an equidigital number, since it uses as much as digits as its factorization.

16142341231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344968.

The product of its digits is 3456, while the sum is 28.

Adding to 16142341231 its reverse (13214324161), we get a palindrome (29356665392).

The spelling of 16142341231 in words is "sixteen billion, one hundred forty-two million, three hundred forty-one thousand, two hundred thirty-one".