315615143143 has 2 divisors, whose sum is σ = 315615143144. Its totient is φ = 315615143142.

The previous prime is 315615143141. The next prime is 315615143149. The reversal of 315615143143 is 341341516513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315615143143 - 2¹ = 315615143141 is a prime.

It is a super-2 number, since 2×315615143143² (a number of 24 digits) contains 22 as substring.

Together with 315615143141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315615143141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157807571571 + 157807571572.

It is an arithmetic number, because the mean of its divisors is an integer number (157807571572).

Almost surely, 2^315615143143 is an apocalyptic number.

315615143143 is a deficient number, since it is larger than the sum of its proper divisors (1).

315615143143 is an equidigital number, since it uses as much as digits as its factorization.

315615143143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

Adding to 315615143143 its reverse (341341516513), we get a palindrome (656956659656).

The spelling of 315615143143 in words is "three hundred fifteen billion, six hundred fifteen million, one hundred forty-three thousand, one hundred forty-three".