131202144342 has 96 divisors (see below), whose sum is σ = 307142784000. Its totient is φ = 40345962624.

The previous prime is 131202144331. The next prime is 131202144343. The reversal of 131202144342 is 243441202131.

131202144342 is a `hidden beast` number, since 1 + 3 + 12 + 0 + 214 + 434 + 2 = 666.

It is a super-2 number, since 2×131202144342² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131202144343) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3178218 + ... + 3219234.

It is an arithmetic number, because the mean of its divisors is an integer number (3199404000).

Almost surely, 2^131202144342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131202144342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153571392000).

131202144342 is an abundant number, since it is smaller than the sum of its proper divisors (175940639658).

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

131202144342 is a wasteful number, since it uses less digits than its factorization.

131202144342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41290 (or 41287 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 131202144342 its reverse (243441202131), we get a palindrome (374643346473).

The spelling of 131202144342 in words is "one hundred thirty-one billion, two hundred two million, one hundred forty-four thousand, three hundred forty-two".