131143340304202 has 16 divisors (see below), whose sum is σ = 196779835173312. Its totient is φ = 65550063589920.

The previous prime is 131143340304191. The next prime is 131143340304211. The reversal of 131143340304202 is 202403043341131.

It is a super-2 number, since 2×131143340304202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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, 161121118 + ... + 161933014.

It is an arithmetic number, because the mean of its divisors is an integer number (12298739698332).

Almost surely, 2^{131143340304202} is an apocalyptic number.

131143340304202 is a deficient number, since it is larger than the sum of its proper divisors (65636494869110).

131143340304202 is a wasteful number, since it uses less digits than its factorization.

131143340304202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838413.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 131143340304202 its reverse (202403043341131), we get a palindrome (333546383645333).

The spelling of 131143340304202 in words is "one hundred thirty-one trillion, one hundred forty-three billion, three hundred forty million, three hundred four thousand, two hundred two".