131193913802 has 32 divisors (see below), whose sum is σ = 225729863424. Its totient is φ = 56019628800.

The previous prime is 131193913801. The next prime is 131193913811. The reversal of 131193913802 is 208319391131.

It is a self number, because there is not a number n which added to its sum of digits gives 131193913802.

It is not an unprimeable number, because it can be changed into a prime (131193913801) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11928818 + ... + 11939810.

It is an arithmetic number, because the mean of its divisors is an integer number (7054058232).

Almost surely, 2^131193913802 is an apocalyptic number.

131193913802 is a deficient number, since it is larger than the sum of its proper divisors (94535949622).

131193913802 is a wasteful number, since it uses less digits than its factorization.

131193913802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14054.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 131193913802 in words is "one hundred thirty-one billion, one hundred ninety-three million, nine hundred thirteen thousand, eight hundred two".