131021434110342 has 32 divisors (see below), whose sum is σ = 274475717227008. Its totient is φ = 41616109880576.

The previous prime is 131021434110313. The next prime is 131021434110349. The reversal of 131021434110342 is 243011434120131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131021434110349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1804965003 + ... + 1805037590.

It is an arithmetic number, because the mean of its divisors is an integer number (8577366163344).

Almost surely, 2^{131021434110342} is an apocalyptic number.

131021434110342 is an abundant number, since it is smaller than the sum of its proper divisors (143454283116666).

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

131021434110342 is a wasteful number, since it uses less digits than its factorization.

131021434110342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610002884.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 131021434110342 its reverse (243011434120131), we get a palindrome (374032868230473).

The spelling of 131021434110342 in words is "one hundred thirty-one trillion, twenty-one billion, four hundred thirty-four million, one hundred ten thousand, three hundred forty-two".