131343232021342 has 32 divisors (see below), whose sum is σ = 218622563948160. Its totient is φ = 58674952602720.

The previous prime is 131343232021333. The next prime is 131343232021363. The reversal of 131343232021342 is 243120232343131.

It is a super-3 number, since 3×131343232021342³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131343232021298 and 131343232021307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7398768 + ... + 17816515.

It is an arithmetic number, because the mean of its divisors is an integer number (6831955123380).

Almost surely, 2^{131343232021342} is an apocalyptic number.

131343232021342 is a deficient number, since it is larger than the sum of its proper divisors (87279331926818).

131343232021342 is a wasteful number, since it uses less digits than its factorization.

131343232021342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25219368.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 131343232021342 its reverse (243120232343131), we get a palindrome (374463464364473).

The spelling of 131343232021342 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred thirty-two million, twenty-one thousand, three hundred forty-two".