131303122020030 has 128 divisors (see below), whose sum is σ = 323000313292800. Its totient is φ = 34142175010944.

The previous prime is 131303122020001. The next prime is 131303122020043. The reversal of 131303122020030 is 30020221303131.

It is a junction number, because it is equal to n+sod(n) for n = 131303122019979 and 131303122020006.

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 63 ways as a sum of consecutive naturals, for example, 7537916661 + ... + 7537934079.

It is an arithmetic number, because the mean of its divisors is an integer number (2523439947600).

Almost surely, 2^{131303122020030} is an apocalyptic number.

131303122020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131303122020030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161500156646400).

131303122020030 is an abundant number, since it is smaller than the sum of its proper divisors (191697191272770).

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

131303122020030 is a wasteful number, since it uses less digits than its factorization.

131303122020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26998.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131303122020030 its reverse (30020221303131), we get a palindrome (161323343323161).

The spelling of 131303122020030 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred twenty-two million, twenty thousand, thirty".