13031022111011 has 4 divisors (see below), whose sum is σ = 13041115855224. Its totient is φ = 13020928366800.

The previous prime is 13031022110947. The next prime is 13031022111049. The reversal of 13031022111011 is 11011122013031.

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 13031022111011 - 2⁶ = 13031022110947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13031022111091) 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, 5046870170 + ... + 5046872751.

It is an arithmetic number, because the mean of its divisors is an integer number (3260278963806).

Almost surely, 2^{13031022111011} is an apocalyptic number.

13031022111011 is a deficient number, since it is larger than the sum of its proper divisors (10093744213).

13031022111011 is a wasteful number, since it uses less digits than its factorization.

13031022111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10093744212.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 13031022111011 its reverse (11011122013031), we get a palindrome (24042144124042).

The spelling of 13031022111011 in words is "thirteen trillion, thirty-one billion, twenty-two million, one hundred eleven thousand, eleven".