131120203133210 has 16 divisors (see below), whose sum is σ = 236016544602600. Its totient is φ = 52448041483776.

The previous prime is 131120203133159. The next prime is 131120203133243. The reversal of 131120203133210 is 12331302021131.

It can be written as a sum of positive squares in 4 ways, for example, as 101462125811281 + 29658077321929 = 10072841^2 + 5445923^2 .

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, 11463506 + ... + 19840674.

Almost surely, 2^{131120203133210} is an apocalyptic number.

131120203133210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131120203133210 is a deficient number, since it is larger than the sum of its proper divisors (104896341469390).

131120203133210 is a wasteful number, since it uses less digits than its factorization.

131120203133210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9942385.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 131120203133210 its reverse (12331302021131), we get a palindrome (143451505154341).

The spelling of 131120203133210 in words is "one hundred thirty-one trillion, one hundred twenty billion, two hundred three million, one hundred thirty-three thousand, two hundred ten".