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2531310431304 = 233105471267971
BaseRepresentation
bin100100110101011101110…
…110111110110001001000
322221222202101011021101110
4210311131312332301020
5312433110432300204
65214511251250320
7350611142440614
oct44653566766110
98858671137343
102531310431304
11896582824796
1234a7028a99a0
131549173c5175
148a732196344
1545ca27da889
hex24d5ddbec48

2531310431304 has 16 divisors (see below), whose sum is σ = 6328276078320. Its totient is φ = 843770143760.

The previous prime is 2531310431303. The next prime is 2531310431323. The reversal of 2531310431304 is 4031340131352.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2531310431303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52735633962 + ... + 52735634009.

It is an arithmetic number, because the mean of its divisors is an integer number (395517254895).

Almost surely, 22531310431304 is an apocalyptic number.

2531310431304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2531310431304 is an abundant number, since it is smaller than the sum of its proper divisors (3796965647016).

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

2531310431304 is a wasteful number, since it uses less digits than its factorization.

2531310431304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105471267980 (or 105471267976 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 2531310431304 its reverse (4031340131352), we get a palindrome (6562650562656).

The spelling of 2531310431304 in words is "two trillion, five hundred thirty-one billion, three hundred ten million, four hundred thirty-one thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 24 105471267971 210942535942 316413803913 421885071884 632827607826 843770143768 1265655215652 2531310431304