142311343 has 2 divisors, whose sum is σ = 142311344. Its totient is φ = 142311342.

The previous prime is 142311329. The next prime is 142311401. The reversal of 142311343 is 343113241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142311343 - 2¹³ = 142303151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142311313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71155671 + 71155672.

It is an arithmetic number, because the mean of its divisors is an integer number (71155672).

Almost surely, 2^142311343 is an apocalyptic number.

142311343 is a deficient number, since it is larger than the sum of its proper divisors (1).

142311343 is an equidigital number, since it uses as much as digits as its factorization.

142311343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

The square root of 142311343 is about 11929.4317970304. The cubic root of 142311343 is about 522.0913594053.

Adding to 142311343 its reverse (343113241), we get a palindrome (485424584).

The spelling of 142311343 in words is "one hundred forty-two million, three hundred eleven thousand, three hundred forty-three".