131223132210 has 16 divisors (see below), whose sum is σ = 314935517376. Its totient is φ = 34992835248.

The previous prime is 131223132203. The next prime is 131223132221. The reversal of 131223132210 is 12231322131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2187052174 + ... + 2187052233.

It is an arithmetic number, because the mean of its divisors is an integer number (19683469836).

Almost surely, 2^131223132210 is an apocalyptic number.

131223132210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131223132210 is an abundant number, since it is smaller than the sum of its proper divisors (183712385166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131223132210 is a wasteful number, since it uses less digits than its factorization.

131223132210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4374104417.

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

Adding to 131223132210 its reverse (12231322131), we get a palindrome (143454454341).

The spelling of 131223132210 in words is "one hundred thirty-one billion, two hundred twenty-three million, one hundred thirty-two thousand, two hundred ten".