315142241543 has 2 divisors, whose sum is σ = 315142241544. Its totient is φ = 315142241542.

The previous prime is 315142241509. The next prime is 315142241567. The reversal of 315142241543 is 345142241513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315142241543 - 2¹² = 315142237447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315142241503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157571120771 + 157571120772.

It is an arithmetic number, because the mean of its divisors is an integer number (157571120772).

Almost surely, 2^315142241543 is an apocalyptic number.

315142241543 is a deficient number, since it is larger than the sum of its proper divisors (1).

315142241543 is an equidigital number, since it uses as much as digits as its factorization.

315142241543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 35.

The spelling of 315142241543 in words is "three hundred fifteen billion, one hundred forty-two million, two hundred forty-one thousand, five hundred forty-three".