131421433302 has 24 divisors (see below), whose sum is σ = 287945840520. Its totient is φ = 43314928800.

The previous prime is 131421433249. The next prime is 131421433309. The reversal of 131421433302 is 203334124131.

It is a happy number.

131421433302 is a `hidden beast` number, since 1 + 314 + 2 + 1 + 43 + 3 + 302 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131421433309) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 41016324 + ... + 41019527.

It is an arithmetic number, because the mean of its divisors is an integer number (11997743355).

Almost surely, 2^131421433302 is an apocalyptic number.

131421433302 is an abundant number, since it is smaller than the sum of its proper divisors (156524407218).

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

131421433302 is a wasteful number, since it uses less digits than its factorization.

131421433302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82035948 (or 82035945 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 131421433302 its reverse (203334124131), we get a palindrome (334755557433).

The spelling of 131421433302 in words is "one hundred thirty-one billion, four hundred twenty-one million, four hundred thirty-three thousand, three hundred two".