31034340211 has 4 divisors (see below), whose sum is σ = 35467817392. Its totient is φ = 26600863032.

The previous prime is 31034340209. The next prime is 31034340221. The reversal of 31034340211 is 11204343013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11204343013 = 617 ⋅18159389.

It is a cyclic number.

It is not a de Polignac number, because 31034340211 - 2¹ = 31034340209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31034340221) 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, 2216738580 + ... + 2216738593.

It is an arithmetic number, because the mean of its divisors is an integer number (8866954348).

Almost surely, 2^31034340211 is an apocalyptic number.

31034340211 is a deficient number, since it is larger than the sum of its proper divisors (4433477181).

31034340211 is an equidigital number, since it uses as much as digits as its factorization.

31034340211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433477180.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31034340211 its reverse (11204343013), we get a palindrome (42238683224).

The spelling of 31034340211 in words is "thirty-one billion, thirty-four million, three hundred forty thousand, two hundred eleven".