131143123403202 has 32 divisors (see below), whose sum is σ = 274016206679040. Its totient is φ = 41763911850320.

The previous prime is 131143123403183. The next prime is 131143123403207. The reversal of 131143123403202 is 202304321341131.

It is a self number, because there is not a number n which added to its sum of digits gives 131143123403202.

It is not an unprimeable number, because it can be changed into a prime (131143123403207) by changing a digit.

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, 566220624 + ... + 566452187.

It is an arithmetic number, because the mean of its divisors is an integer number (8563006458720).

Almost surely, 2^{131143123403202} is an apocalyptic number.

131143123403202 is an abundant number, since it is smaller than the sum of its proper divisors (142873083275838).

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

131143123403202 is a wasteful number, since it uses less digits than its factorization.

131143123403202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132673678.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 131143123403202 its reverse (202304321341131), we get a palindrome (333447444744333).

The spelling of 131143123403202 in words is "one hundred thirty-one trillion, one hundred forty-three billion, one hundred twenty-three million, four hundred three thousand, two hundred two".