43142142313 has 4 divisors (see below), whose sum is σ = 43143094228. Its totient is φ = 43141190400.

The previous prime is 43142142283. The next prime is 43142142331. The reversal of 43142142313 is 31324124134.

It is a happy number.

43142142313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31324124134 = 2 ⋅15662062067.

It can be written as a sum of positive squares in 2 ways, for example, as 25693845849 + 17448296464 = 160293^2 + 132092^2 .

It is a cyclic number.

It is not a de Polignac number, because 43142142313 - 2¹³ = 43142134121 is a prime.

It is a super-2 number, since 2×43142142313² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43142122313) 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, 404388 + ... + 499813.

It is an arithmetic number, because the mean of its divisors is an integer number (10785773557).

Almost surely, 2^43142142313 is an apocalyptic number.

It is an amenable number.

43142142313 is a deficient number, since it is larger than the sum of its proper divisors (951915).

43142142313 is an equidigital number, since it uses as much as digits as its factorization.

43142142313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951914.

The product of its digits is 6912, while the sum is 28.

Adding to 43142142313 its reverse (31324124134), we get a palindrome (74466266447).

The spelling of 43142142313 in words is "forty-three billion, one hundred forty-two million, one hundred forty-two thousand, three hundred thirteen".