315045431220263 has 8 divisors (see below), whose sum is σ = 331629046857600. Its totient is φ = 298462043298168.

The previous prime is 315045431220241. The next prime is 315045431220283. The reversal of 315045431220263 is 362022134540513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315045431220263 - 2³⁰ = 315044357478439 is a prime.

It is a super-2 number, since 2×315045431220263² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315045431220263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315045431220283) 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 in 7 ways as a sum of consecutive naturals, for example, 54085331 + ... + 59626452.

It is an arithmetic number, because the mean of its divisors is an integer number (41453630857200).

Almost surely, 2^{315045431220263} is an apocalyptic number.

315045431220263 is a deficient number, since it is larger than the sum of its proper divisors (16583615637337).

315045431220263 is a wasteful number, since it uses less digits than its factorization.

315045431220263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113857621.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 315045431220263 its reverse (362022134540513), we get a palindrome (677067565760776).

The spelling of 315045431220263 in words is "three hundred fifteen trillion, forty-five billion, four hundred thirty-one million, two hundred twenty thousand, two hundred sixty-three".