131142541202 has 32 divisors (see below), whose sum is σ = 199742236848. Its totient is φ = 64569600000.

The previous prime is 131142541181. The next prime is 131142541219. The reversal of 131142541202 is 202145241131.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 130630922041 + 511619161 = 361429^2 + 22619^2 .

It is a super-2 number, since 2×131142541202² (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 15 ways as a sum of consecutive naturals, for example, 57492302 + ... + 57494582.

Almost surely, 2^131142541202 is an apocalyptic number.

131142541202 is a deficient number, since it is larger than the sum of its proper divisors (68599695646).

131142541202 is a wasteful number, since it uses less digits than its factorization.

131142541202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 131142541202 its reverse (202145241131), we get a palindrome (333287782333).

The spelling of 131142541202 in words is "one hundred thirty-one billion, one hundred forty-two million, five hundred forty-one thousand, two hundred two".