131021004342 has 8 divisors (see below), whose sum is σ = 262042008696. Its totient is φ = 43673668112.

The previous prime is 131021004319. The next prime is 131021004347. The reversal of 131021004342 is 243400120131.

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

131021004342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131021004347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10918417023 + ... + 10918417034.

It is an arithmetic number, because the mean of its divisors is an integer number (32755251087).

Almost surely, 2^131021004342 is an apocalyptic number.

131021004342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131021004342 is a wasteful number, since it uses less digits than its factorization.

131021004342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21836834062.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 131021004342 its reverse (243400120131), we get a palindrome (374421124473).

The spelling of 131021004342 in words is "one hundred thirty-one billion, twenty-one million, four thousand, three hundred forty-two".