43142220313 has 2 divisors, whose sum is σ = 43142220314. Its totient is φ = 43142220312.

The previous prime is 43142220311. The next prime is 43142220367. The reversal of 43142220313 is 31302224134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25010789904 + 18131430409 = 158148^2 + 134653^2 .

It is a cyclic number.

It is not a de Polignac number, because 43142220313 - 2¹ = 43142220311 is a prime.

It is a super-2 number, since 2×43142220313² (a number of 22 digits) contains 22 as substring.

Together with 43142220311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (43142220311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21571110156 + 21571110157.

It is an arithmetic number, because the mean of its divisors is an integer number (21571110157).

Almost surely, 2^43142220313 is an apocalyptic number.

It is an amenable number.

43142220313 is a deficient number, since it is larger than the sum of its proper divisors (1).

43142220313 is an equidigital number, since it uses as much as digits as its factorization.

43142220313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 43142220313 its reverse (31302224134), we get a palindrome (74444444447).

The spelling of 43142220313 in words is "forty-three billion, one hundred forty-two million, two hundred twenty thousand, three hundred thirteen".