131320303211810 has 16 divisors (see below), whose sum is σ = 236377237635000. Its totient is φ = 52527967539456.

The previous prime is 131320303211809. The next prime is 131320303211813. The reversal of 131320303211810 is 18112303023131.

It can be written as a sum of positive squares in 4 ways, for example, as 101305694495329 + 30014608716481 = 10065073^2 + 5478559^2 .

It is a super-2 number, since 2×131320303211810² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131320303211813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15598295 + ... + 22493274.

Almost surely, 2^{131320303211810} is an apocalyptic number.

131320303211810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131320303211810 is a deficient number, since it is larger than the sum of its proper divisors (105056934423190).

131320303211810 is a wasteful number, since it uses less digits than its factorization.

131320303211810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38436325.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 131320303211810 its reverse (18112303023131), we get a palindrome (149432606234941).

The spelling of 131320303211810 in words is "one hundred thirty-one trillion, three hundred twenty billion, three hundred three million, two hundred eleven thousand, eight hundred ten".