315031542283 has 2 divisors, whose sum is σ = 315031542284. Its totient is φ = 315031542282.

The previous prime is 315031542269. The next prime is 315031542313. The reversal of 315031542283 is 382245130513.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (382245130513) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315031542283 is a prime.

It is not a weakly prime, because it can be changed into another prime (315034542283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157515771141 + 157515771142.

It is an arithmetic number, because the mean of its divisors is an integer number (157515771142).

Almost surely, 2^315031542283 is an apocalyptic number.

315031542283 is a deficient number, since it is larger than the sum of its proper divisors (1).

315031542283 is an equidigital number, since it uses as much as digits as its factorization.

315031542283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 315031542283 its reverse (382245130513), we get a palindrome (697276672796).

The spelling of 315031542283 in words is "three hundred fifteen billion, thirty-one million, five hundred forty-two thousand, two hundred eighty-three".