315444640310311 has 8 divisors (see below), whose sum is σ = 317770671981024. Its totient is φ = 313118949452160.

The previous prime is 315444640310263. The next prime is 315444640310357. The reversal of 315444640310311 is 113013046444513.

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 315444640310311 - 2¹³ = 315444640302119 is a prime.

It is a super-2 number, since 2×315444640310311² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315444640310381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83345035 + ... + 87047596.

It is an arithmetic number, because the mean of its divisors is an integer number (39721333997628).

Almost surely, 2^{315444640310311} is an apocalyptic number.

315444640310311 is a deficient number, since it is larger than the sum of its proper divisors (2326031670713).

315444640310311 is a wasteful number, since it uses less digits than its factorization.

315444640310311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170406281.

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 315444640310311 its reverse (113013046444513), we get a palindrome (428457686754824).

The spelling of 315444640310311 in words is "three hundred fifteen trillion, four hundred forty-four billion, six hundred forty million, three hundred ten thousand, three hundred eleven".