131131322143002 has 80 divisors (see below), whose sum is σ = 294008914389960. Its totient is φ = 43684023157632.

The previous prime is 131131322142983. The next prime is 131131322143007. The reversal of 131131322143002 is 200341223131131.

131131322143002 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 3 + 1 + 3 + 221 + 430 + 0 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 131091943312521 + 39378830481 = 11449539^2 + 198441^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (131131322143007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4088000988 + ... + 4088033064.

Almost surely, 2^{131131322143002} is an apocalyptic number.

131131322143002 is an abundant number, since it is smaller than the sum of its proper divisors (162877592246958).

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

131131322143002 is a wasteful number, since it uses less digits than its factorization.

131131322143002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46557 (or 46548 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 131131322143002 its reverse (200341223131131), we get a palindrome (331472545274133).

The spelling of 131131322143002 in words is "one hundred thirty-one trillion, one hundred thirty-one billion, three hundred twenty-two million, one hundred forty-three thousand, two".