131213021114020 has 12 divisors (see below), whose sum is σ = 275547344339484. Its totient is φ = 52485208445600.

The previous prime is 131213021113997. The next prime is 131213021114051. The reversal of 131213021114020 is 20411120312131.

It can be written as a sum of positive squares in 2 ways, for example, as 27188361348516 + 104024659765504 = 5214246^2 + 10199248^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131213021113982 and 131213021114000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3280325527831 + ... + 3280325527870.

It is an arithmetic number, because the mean of its divisors is an integer number (22962278694957).

Almost surely, 2^{131213021114020} is an apocalyptic number.

131213021114020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131213021114020 is an abundant number, since it is smaller than the sum of its proper divisors (144334323225464).

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

131213021114020 is a wasteful number, since it uses less digits than its factorization.

131213021114020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560651055710 (or 6560651055708 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 131213021114020 its reverse (20411120312131), we get a palindrome (151624141426151).

The spelling of 131213021114020 in words is "one hundred thirty-one trillion, two hundred thirteen billion, twenty-one million, one hundred fourteen thousand, twenty".