131321222222210 has 32 divisors (see below), whose sum is σ = 236606469120000. Its totient is φ = 52477771262400.

The previous prime is 131321222222191. The next prime is 131321222222219. The reversal of 131321222222210 is 12222222123131.

It is a self number, because there is not a number n which added to its sum of digits gives 131321222222210.

It is not an unprimeable number, because it can be changed into a prime (131321222222219) 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, 119490791 + ... + 120584789.

It is an arithmetic number, because the mean of its divisors is an integer number (7393952160000).

Almost surely, 2^{131321222222210} is an apocalyptic number.

131321222222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131321222222210 is a deficient number, since it is larger than the sum of its proper divisors (105285246897790).

131321222222210 is a wasteful number, since it uses less digits than its factorization.

131321222222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105586.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 131321222222210 its reverse (12222222123131), we get a palindrome (143543444345341).

The spelling of 131321222222210 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred ten".