131002402331420 has 24 divisors (see below), whose sum is σ = 275211140278704. Its totient is φ = 52380752288256.

The previous prime is 131002402331399. The next prime is 131002402331443. The reversal of 131002402331420 is 24133204200131.

It is a self number, because there is not a number n which added to its sum of digits gives 131002402331420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262987114 + ... + 1263090833.

It is an arithmetic number, because the mean of its divisors is an integer number (11467130844946).

Almost surely, 2^{131002402331420} is an apocalyptic number.

131002402331420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131002402331420 is an abundant number, since it is smaller than the sum of its proper divisors (144208737947284).

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

131002402331420 is a wasteful number, since it uses less digits than its factorization.

131002402331420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526080549 (or 2526080547 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 131002402331420 its reverse (24133204200131), we get a palindrome (155135606531551).

The spelling of 131002402331420 in words is "one hundred thirty-one trillion, two billion, four hundred two million, three hundred thirty-one thousand, four hundred twenty".