315203888011 has 4 divisors (see below), whose sum is σ = 322534211032. Its totient is φ = 307873564992.

The previous prime is 315203887949. The next prime is 315203888101. The reversal of 315203888011 is 110888302513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110888302513 = 37 ⋅2996981149.

It is a cyclic number.

It is not a de Polignac number, because 315203888011 - 2¹⁹ = 315203363723 is a prime.

It is a super-2 number, since 2×315203888011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315203888611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3665161446 + ... + 3665161531.

It is an arithmetic number, because the mean of its divisors is an integer number (80633552758).

Almost surely, 2^315203888011 is an apocalyptic number.

315203888011 is a deficient number, since it is larger than the sum of its proper divisors (7330323021).

315203888011 is an equidigital number, since it uses as much as digits as its factorization.

315203888011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7330323020.

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 315203888011 in words is "three hundred fifteen billion, two hundred three million, eight hundred eighty-eight thousand, eleven".