131000304323420 has 96 divisors (see below), whose sum is σ = 315544381971840. Its totient is φ = 44751036395520.

The previous prime is 131000304323417. The next prime is 131000304323431. The reversal of 131000304323420 is 24323403000131.

It is a super-2 number, since 2×131000304323420² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131000304323420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 527700686 + ... + 527948874.

It is an arithmetic number, because the mean of its divisors is an integer number (3286920645540).

Almost surely, 2^{131000304323420} is an apocalyptic number.

131000304323420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131000304323420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157772190985920).

131000304323420 is an abundant number, since it is smaller than the sum of its proper divisors (184544077648420).

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

131000304323420 is a wasteful number, since it uses less digits than its factorization.

131000304323420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261903 (or 261901 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 131000304323420 its reverse (24323403000131), we get a palindrome (155323707323551).

The spelling of 131000304323420 in words is "one hundred thirty-one trillion, three hundred four million, three hundred twenty-three thousand, four hundred twenty".