281054113220 has 12 divisors (see below), whose sum is σ = 590213637804. Its totient is φ = 112421645280.

The previous prime is 281054113217. The next prime is 281054113247. The reversal of 281054113220 is 22311450182.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 90001200004 + 191052913216 = 300002^2 + 437096^2 .

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, 7026352811 + ... + 7026352850.

It is an arithmetic number, because the mean of its divisors is an integer number (49184469817).

Almost surely, 2^281054113220 is an apocalyptic number.

281054113220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

281054113220 is an abundant number, since it is smaller than the sum of its proper divisors (309159524584).

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

281054113220 is a wasteful number, since it uses less digits than its factorization.

281054113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14052705670 (or 14052705668 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 281054113220 in words is "two hundred eighty-one billion, fifty-four million, one hundred thirteen thousand, two hundred twenty".