13220032031 has 32 divisors (see below), whose sum is σ = 14570075520. Its totient is φ = 11943936000.

The previous prime is 13220031971. The next prime is 13220032073. The reversal of 13220032031 is 13023002231.

It is a cyclic number.

It is not a de Polignac number, because 13220032031 - 2¹⁰ = 13220031007 is a prime.

It is a super-2 number, since 2×13220032031² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220037031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17190815 + ... + 17191583.

It is an arithmetic number, because the mean of its divisors is an integer number (455314860).

Almost surely, 2^13220032031 is an apocalyptic number.

13220032031 is a deficient number, since it is larger than the sum of its proper divisors (1350043489).

13220032031 is a wasteful number, since it uses less digits than its factorization.

13220032031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13220032031 its reverse (13023002231), we get a palindrome (26243034262).

The spelling of 13220032031 in words is "thirteen billion, two hundred twenty million, thirty-two thousand, thirty-one".