131402320342 has 16 divisors (see below), whose sum is σ = 198563076864. Its totient is φ = 65215305000.

The previous prime is 131402320333. The next prime is 131402320429. The reversal of 131402320342 is 243023204131.

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, 221367 + ... + 558397.

It is an arithmetic number, because the mean of its divisors is an integer number (12410192304).

Almost surely, 2^131402320342 is an apocalyptic number.

131402320342 is a deficient number, since it is larger than the sum of its proper divisors (67160756522).

131402320342 is a wasteful number, since it uses less digits than its factorization.

131402320342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338475.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 131402320342 its reverse (243023204131), we get a palindrome (374425524473).

The spelling of 131402320342 in words is "one hundred thirty-one billion, four hundred two million, three hundred twenty thousand, three hundred forty-two".