131153144424220 has 96 divisors (see below), whose sum is σ = 289182860467200. Its totient is φ = 49868471093760.

The previous prime is 131153144424173. The next prime is 131153144424223. The reversal of 131153144424220 is 22424441351131.

It is a super-2 number, since 2×131153144424220² (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 131153144424220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131153144424223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1034585640 + ... + 1034712400.

It is an arithmetic number, because the mean of its divisors is an integer number (3012321463200).

Almost surely, 2^{131153144424220} is an apocalyptic number.

131153144424220 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 131153144424220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144591430233600).

131153144424220 is an abundant number, since it is smaller than the sum of its proper divisors (158029716042980).

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

131153144424220 is a wasteful number, since it uses less digits than its factorization.

131153144424220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140755 (or 140753 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 131153144424220 its reverse (22424441351131), we get a palindrome (153577585775351).

The spelling of 131153144424220 in words is "one hundred thirty-one trillion, one hundred fifty-three billion, one hundred forty-four million, four hundred twenty-four thousand, two hundred twenty".