131020224443202 has 16 divisors (see below), whose sum is σ = 268431679347552. Its totient is φ = 42608203070880.

The previous prime is 131020224443179. The next prime is 131020224443203. The reversal of 131020224443202 is 202344422020131.

It is a self number, because there is not a number n which added to its sum of digits gives 131020224443202.

It is not an unprimeable number, because it can be changed into a prime (131020224443203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266301268948 + ... + 266301269439.

It is an arithmetic number, because the mean of its divisors is an integer number (16776979959222).

Almost surely, 2^{131020224443202} is an apocalyptic number.

131020224443202 is an abundant number, since it is smaller than the sum of its proper divisors (137411454904350).

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

131020224443202 is a wasteful number, since it uses less digits than its factorization.

131020224443202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532602538433.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 131020224443202 its reverse (202344422020131), we get a palindrome (333364646463333).

The spelling of 131020224443202 in words is "one hundred thirty-one trillion, twenty billion, two hundred twenty-four million, four hundred forty-three thousand, two hundred two".