131344240424402 has 8 divisors (see below), whose sum is σ = 197021076666876. Its totient is φ = 65670548202112.

The previous prime is 131344240424399. The next prime is 131344240424479. The reversal of 131344240424402 is 204424042443131.

It can be written as a sum of positive squares in 2 ways, for example, as 131050087139521 + 294153284881 = 11447711^2 + 542359^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785900603 + ... + 786067710.

Almost surely, 2^{131344240424402} is an apocalyptic number.

131344240424402 is a deficient number, since it is larger than the sum of its proper divisors (65676836242474).

131344240424402 is a wasteful number, since it uses less digits than its factorization.

131344240424402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572010092.

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 131344240424402 its reverse (204424042443131), we get a palindrome (335768282867533).

The spelling of 131344240424402 in words is "one hundred thirty-one trillion, three hundred forty-four billion, two hundred forty million, four hundred twenty-four thousand, four hundred two".