131202133031122 has 4 divisors (see below), whose sum is σ = 196803199546686. Its totient is φ = 65601066515560.

The previous prime is 131202133031113. The next prime is 131202133031239. The reversal of 131202133031122 is 221130331202131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 118699042118281 + 12503090912841 = 10894909^2 + 3535971^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32800533257779 + ... + 32800533257782.

Almost surely, 2^{131202133031122} is an apocalyptic number.

131202133031122 is a deficient number, since it is larger than the sum of its proper divisors (65601066515564).

131202133031122 is an equidigital number, since it uses as much as digits as its factorization.

131202133031122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65601066515563.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 131202133031122 its reverse (221130331202131), we get a palindrome (352332464233253).

The spelling of 131202133031122 in words is "one hundred thirty-one trillion, two hundred two billion, one hundred thirty-three million, thirty-one thousand, one hundred twenty-two".