313133231022211 has 4 divisors (see below), whose sum is σ = 313369201808032. Its totient is φ = 312897260236392.

The previous prime is 313133231022197. The next prime is 313133231022223. The reversal of 313133231022211 is 112220132331313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313133231022211 - 2³⁵ = 313098871283843 is a prime.

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 313133231022211.

It is not an unprimeable number, because it can be changed into a prime (313133231022251) 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, 117985390920 + ... + 117985393573.

It is an arithmetic number, because the mean of its divisors is an integer number (78342300452008).

Almost surely, 2^{313133231022211} is an apocalyptic number.

313133231022211 is a deficient number, since it is larger than the sum of its proper divisors (235970785821).

313133231022211 is a wasteful number, since it uses less digits than its factorization.

313133231022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235970785820.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 313133231022211 its reverse (112220132331313), we get a palindrome (425353363353524).

The spelling of 313133231022211 in words is "three hundred thirteen trillion, one hundred thirty-three billion, two hundred thirty-one million, twenty-two thousand, two hundred eleven".