131011322302 has 16 divisors (see below), whose sum is σ = 224595532800. Its totient is φ = 56146535928.

The previous prime is 131011322279. The next prime is 131011322347. The reversal of 131011322302 is 203223110131.

It is a self number, because there is not a number n which added to its sum of digits gives 131011322302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111483 + ... + 1223689.

It is an arithmetic number, because the mean of its divisors is an integer number (14037220800).

Almost surely, 2^131011322302 is an apocalyptic number.

131011322302 is a deficient number, since it is larger than the sum of its proper divisors (93584210498).

131011322302 is a wasteful number, since it uses less digits than its factorization.

131011322302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195615.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131011322302 its reverse (203223110131), we get a palindrome (334234432433).

The spelling of 131011322302 in words is "one hundred thirty-one billion, eleven million, three hundred twenty-two thousand, three hundred two".