131011125002 has 8 divisors (see below), whose sum is σ = 197136614916. Its totient is φ = 65298920032.

The previous prime is 131011125001. The next prime is 131011125019. The reversal of 131011125002 is 200521110131.

It can be written as a sum of positive squares in 2 ways, for example, as 130986810241 + 24314761 = 361921^2 + 4931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (131011125001) 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 3 ways as a sum of consecutive naturals, for example, 103320443 + ... + 103321710.

Almost surely, 2^131011125002 is an apocalyptic number.

131011125002 is a deficient number, since it is larger than the sum of its proper divisors (66125489914).

131011125002 is a wasteful number, since it uses less digits than its factorization.

131011125002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206642472.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 131011125002 its reverse (200521110131), we get a palindrome (331532235133).

The spelling of 131011125002 in words is "one hundred thirty-one billion, eleven million, one hundred twenty-five thousand, two".