131122202002 has 24 divisors (see below), whose sum is σ = 228906097308. Its totient is φ = 56095057920.

The previous prime is 131122201999. The next prime is 131122202027. The reversal of 131122202002 is 200202221131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 122984177481 + 8138024521 = 350691^2 + 90211^2 .

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 11 ways as a sum of consecutive naturals, for example, 15931983 + ... + 15940210.

Almost surely, 2^131122202002 is an apocalyptic number.

131122202002 is a deficient number, since it is larger than the sum of its proper divisors (97783895306).

131122202002 is a wasteful number, since it uses less digits than its factorization.

131122202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31872234 (or 31872223 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 131122202002 its reverse (200202221131), we get a palindrome (331324423133).

The spelling of 131122202002 in words is "one hundred thirty-one billion, one hundred twenty-two million, two hundred two thousand, two".