315212311211 has 8 divisors (see below), whose sum is σ = 360322394880. Its totient is φ = 270122165928.

The previous prime is 315212311171. The next prime is 315212311223. The reversal of 315212311211 is 112113212513.

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 315212311211 - 2³⁴ = 298032442027 is a prime.

It is a super-2 number, since 2×315212311211² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315212391211) 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, 4950701 + ... + 5013966.

It is an arithmetic number, because the mean of its divisors is an integer number (45040299360).

Almost surely, 2^315212311211 is an apocalyptic number.

315212311211 is a deficient number, since it is larger than the sum of its proper divisors (45110083669).

315212311211 is an equidigital number, since it uses as much as digits as its factorization.

315212311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9969193.

The product of its digits is 360, while the sum is 23.

Adding to 315212311211 its reverse (112113212513), we get a palindrome (427325523724).

The spelling of 315212311211 in words is "three hundred fifteen billion, two hundred twelve million, three hundred eleven thousand, two hundred eleven".