31312324211 has 8 divisors (see below), whose sum is σ = 35811817824. Its totient is φ = 26819406720.

The previous prime is 31312324189. The next prime is 31312324217. The reversal of 31312324211 is 11242321313.

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 31312324211 - 2¹⁰ = 31312323187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31312324217) 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, 1633820 + ... + 1652873.

It is an arithmetic number, because the mean of its divisors is an integer number (4476477228).

Almost surely, 2^31312324211 is an apocalyptic number.

31312324211 is a deficient number, since it is larger than the sum of its proper divisors (4499493613).

31312324211 is a wasteful number, since it uses less digits than its factorization.

31312324211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288061.

The product of its digits is 864, while the sum is 23.

Adding to 31312324211 its reverse (11242321313), we get a palindrome (42554645524).

The spelling of 31312324211 in words is "thirty-one billion, three hundred twelve million, three hundred twenty-four thousand, two hundred eleven".