131021200030342 has 16 divisors (see below), whose sum is σ = 197739728802000. Its totient is φ = 65108232601632.

The previous prime is 131021200030339. The next prime is 131021200030451. The reversal of 131021200030342 is 243030002120131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67923708 + ... + 69826015.

It is an arithmetic number, because the mean of its divisors is an integer number (12358733050125).

Almost surely, 2^{131021200030342} is an apocalyptic number.

131021200030342 is a deficient number, since it is larger than the sum of its proper divisors (66718528771658).

131021200030342 is a wasteful number, since it uses less digits than its factorization.

131021200030342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137752647.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 131021200030342 its reverse (243030002120131), we get a palindrome (374051202150473).

The spelling of 131021200030342 in words is "one hundred thirty-one trillion, twenty-one billion, two hundred million, thirty thousand, three hundred forty-two".