13031012211 has 32 divisors (see below), whose sum is σ = 20195136000. Its totient is φ = 7319566080.

The previous prime is 13031012191. The next prime is 13031012219. The reversal of 13031012211 is 11221013031.

It is a happy number.

It is not a de Polignac number, because 13031012211 - 2⁶ = 13031012147 is a prime.

It is a super-2 number, since 2×13031012211² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13031012219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3455535 + ... + 3459303.

It is an arithmetic number, because the mean of its divisors is an integer number (631098000).

Almost surely, 2^13031012211 is an apocalyptic number.

13031012211 is a deficient number, since it is larger than the sum of its proper divisors (7164123789).

13031012211 is a wasteful number, since it uses less digits than its factorization.

13031012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6539.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13031012211 its reverse (11221013031), we get a palindrome (24252025242).

The spelling of 13031012211 in words is "thirteen billion, thirty-one million, twelve thousand, two hundred eleven".