131122345330220 has 48 divisors (see below), whose sum is σ = 275422326405408. Its totient is φ = 52436481968640.

The previous prime is 131122345330211. The next prime is 131122345330297. The reversal of 131122345330220 is 22033543221131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3054805679 + ... + 3054848601.

It is an arithmetic number, because the mean of its divisors is an integer number (5737965133446).

Almost surely, 2^{131122345330220} is an apocalyptic number.

131122345330220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131122345330220 is an abundant number, since it is smaller than the sum of its proper divisors (144299981075188).

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

131122345330220 is a wasteful number, since it uses less digits than its factorization.

131122345330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75650 (or 75648 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 131122345330220 its reverse (22033543221131), we get a palindrome (153155888551351).

The spelling of 131122345330220 in words is "one hundred thirty-one trillion, one hundred twenty-two billion, three hundred forty-five million, three hundred thirty thousand, two hundred twenty".