31134103211 has 8 divisors (see below), whose sum is σ = 31930464384. Its totient is φ = 30339503680.

The previous prime is 31134103193. The next prime is 31134103223. The reversal of 31134103211 is 11230143113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31134103211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31134103271) 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, 404576 + ... + 475341.

It is an arithmetic number, because the mean of its divisors is an integer number (3991308048).

Almost surely, 2^31134103211 is an apocalyptic number.

31134103211 is a deficient number, since it is larger than the sum of its proper divisors (796361173).

31134103211 is an equidigital number, since it uses as much as digits as its factorization.

31134103211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880821.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31134103211 its reverse (11230143113), we get a palindrome (42364246324).

The spelling of 31134103211 in words is "thirty-one billion, one hundred thirty-four million, one hundred three thousand, two hundred eleven".