32212213131 has 16 divisors (see below), whose sum is σ = 49636800000. Its totient is φ = 18200157888.

The previous prime is 32212213127. The next prime is 32212213133. The reversal of 32212213131 is 13131221223.

It is not a de Polignac number, because 32212213131 - 2² = 32212213127 is a prime.

It is a super-2 number, since 2×32212213131² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 32212213098 and 32212213107.

It is not an unprimeable number, because it can be changed into a prime (32212213133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8615631 + ... + 8619368.

It is an arithmetic number, because the mean of its divisors is an integer number (3102300000).

Almost surely, 2^32212213131 is an apocalyptic number.

32212213131 is a deficient number, since it is larger than the sum of its proper divisors (17424586869).

32212213131 is a wasteful number, since it uses less digits than its factorization.

32212213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17235098.

The product of its digits is 432, while the sum is 21.

Adding to 32212213131 its reverse (13131221223), we get a palindrome (45343434354).

The spelling of 32212213131 in words is "thirty-two billion, two hundred twelve million, two hundred thirteen thousand, one hundred thirty-one".