13211103031 has 8 divisors (see below), whose sum is σ = 15120514944. Its totient is φ = 11307219000.

The previous prime is 13211103007. The next prime is 13211103097. The reversal of 13211103031 is 13030111231.

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

It is not a de Polignac number, because 13211103031 - 2⁷ = 13211102903 is a prime.

It is a super-2 number, since 2×13211103031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13211102996 and 13211103014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211103001) 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, 1376845 + ... + 1386406.

It is an arithmetic number, because the mean of its divisors is an integer number (1890064368).

Almost surely, 2^13211103031 is an apocalyptic number.

13211103031 is a deficient number, since it is larger than the sum of its proper divisors (1909411913).

13211103031 is an equidigital number, since it uses as much as digits as its factorization.

13211103031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763941.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13211103031 its reverse (13030111231), we get a palindrome (26241214262).

The spelling of 13211103031 in words is "thirteen billion, two hundred eleven million, one hundred three thousand, thirty-one".