131000221210 has 32 divisors (see below), whose sum is σ = 239731334784. Its totient is φ = 51527016000.

The previous prime is 131000221189. The next prime is 131000221213. The reversal of 131000221210 is 12122000131.

It is a super-2 number, since 2×131000221210² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131000221213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2370595 + ... + 2425225.

It is an arithmetic number, because the mean of its divisors is an integer number (7491604212).

Almost surely, 2^131000221210 is an apocalyptic number.

131000221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131000221210 is a deficient number, since it is larger than the sum of its proper divisors (108731113574).

131000221210 is a wasteful number, since it uses less digits than its factorization.

131000221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58630.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 131000221210 its reverse (12122000131), we get a palindrome (143122221341).

The spelling of 131000221210 in words is "one hundred thirty-one billion, two hundred twenty-one thousand, two hundred ten".