131700342 has 16 divisors (see below), whose sum is σ = 267719472. Its totient is φ = 43180320.

The previous prime is 131700341. The next prime is 131700367. The reversal of 131700342 is 243007131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131700341) 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 7 ways as a sum of consecutive naturals, for example, 179553 + ... + 180284.

It is an arithmetic number, because the mean of its divisors is an integer number (16732467).

Almost surely, 2^131700342 is an apocalyptic number.

131700342 is an abundant number, since it is smaller than the sum of its proper divisors (136019130).

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

131700342 is a wasteful number, since it uses less digits than its factorization.

131700342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359903.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 131700342 is about 11476.0769429278. The cubic root of 131700342 is about 508.7787542180.

Adding to 131700342 its reverse (243007131), we get a palindrome (374707473).

The spelling of 131700342 in words is "one hundred thirty-one million, seven hundred thousand, three hundred forty-two".