2531032054220 has 96 divisors (see below), whose sum is σ = 5650738329600. Its totient is φ = 949562866944.

The previous prime is 2531032054219. The next prime is 2531032054231. The reversal of 2531032054220 is 224502301352.

It is a super-2 number, since 2×2531032054220² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216007802 + ... + 216019518.

It is an arithmetic number, because the mean of its divisors is an integer number (58861857600).

Almost surely, 2^{2531032054220} is an apocalyptic number.

2531032054220 is a gapful number since it is divisible by the number (20) 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 2531032054220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2825369164800).

2531032054220 is an abundant number, since it is smaller than the sum of its proper divisors (3119706275380).

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

2531032054220 is a wasteful number, since it uses less digits than its factorization.

2531032054220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17367 (or 17365 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 2531032054220 its reverse (224502301352), we get a palindrome (2755534355572).

The spelling of 2531032054220 in words is "two trillion, five hundred thirty-one billion, thirty-two million, fifty-four thousand, two hundred twenty".