13031221030 has 16 divisors (see below), whose sum is σ = 23466083904. Its totient is φ = 5210291520.

The previous prime is 13031221013. The next prime is 13031221033. The reversal of 13031221030 is 3012213031.

It is a junction number, because it is equal to n+sod(n) for n = 13031220995 and 13031221013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031221033) 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, 249591 + ... + 297250.

It is an arithmetic number, because the mean of its divisors is an integer number (1466630244).

Almost surely, 2^13031221030 is an apocalyptic number.

13031221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13031221030 is a deficient number, since it is larger than the sum of its proper divisors (10434862874).

13031221030 is a wasteful number, since it uses less digits than its factorization.

13031221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549231.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13031221030 its reverse (3012213031), we get a palindrome (16043434061).

The spelling of 13031221030 in words is "thirteen billion, thirty-one million, two hundred twenty-one thousand, thirty".