142344431113 has 16 divisors (see below), whose sum is σ = 146576141712. Its totient is φ = 138150144000.

The previous prime is 142344431083. The next prime is 142344431137. The reversal of 142344431113 is 311134443241.

It can be written as a sum of positive squares in 8 ways, for example, as 24264915984 + 118079515129 = 155772^2 + 343627^2 .

It is a cyclic number.

It is not a de Polignac number, because 142344431113 - 2¹⁷ = 142344300041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142344431213) 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, 10002343 + ... + 10016563.

It is an arithmetic number, because the mean of its divisors is an integer number (9161008857).

Almost surely, 2^142344431113 is an apocalyptic number.

It is an amenable number.

142344431113 is a deficient number, since it is larger than the sum of its proper divisors (4231710599).

142344431113 is a wasteful number, since it uses less digits than its factorization.

142344431113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15516.

The product of its digits is 13824, while the sum is 31.

Adding to 142344431113 its reverse (311134443241), we get a palindrome (453478874354).

The spelling of 142344431113 in words is "one hundred forty-two billion, three hundred forty-four million, four hundred thirty-one thousand, one hundred thirteen".