131000304310420 has 24 divisors (see below), whose sum is σ = 275141766652200. Its totient is φ = 52392287895552.

The previous prime is 131000304310357. The next prime is 131000304310451. The reversal of 131000304310420 is 24013403000131.

It can be written as a sum of positive squares in 4 ways, for example, as 68481616231044 + 62518688079376 = 8275362^2 + 7906876^2 .

It is a super-2 number, since 2×131000304310420² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131000304310391 and 131000304310400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489477165 + ... + 489744724.

It is an arithmetic number, because the mean of its divisors is an integer number (11464240277175).

Almost surely, 2^{131000304310420} is an apocalyptic number.

131000304310420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131000304310420 is an abundant number, since it is smaller than the sum of its proper divisors (144141462341780).

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

131000304310420 is a wasteful number, since it uses less digits than its factorization.

131000304310420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979228587 (or 979228585 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 131000304310420 its reverse (24013403000131), we get a palindrome (155013707310551).

The spelling of 131000304310420 in words is "one hundred thirty-one trillion, three hundred four million, three hundred ten thousand, four hundred twenty".