131067720810 has 160 divisors (see below), whose sum is σ = 401862483792. Its totient is φ = 30364968960.

The previous prime is 131067720809. The next prime is 131067720851. The reversal of 131067720810 is 18027760131.

It can be written as a sum of positive squares in 8 ways, for example, as 95145720849 + 35921999961 = 308457^2 + 189531^2 .

It is a super-2 number, since 2×131067720810² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 187081 + ... + 545100.

Almost surely, 2^131067720810 is an apocalyptic number.

131067720810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131067720810 is an abundant number, since it is smaller than the sum of its proper divisors (270794762982).

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

131067720810 is a wasteful number, since it uses less digits than its factorization.

131067720810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732230 (or 732221 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The spelling of 131067720810 in words is "one hundred thirty-one billion, sixty-seven million, seven hundred twenty thousand, eight hundred ten".