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31300110000000 = 273257347779
BaseRepresentation
bin1110001110111100111111…
…11100000001111110000000
311002211021001111000210100100
413013132133330001332000
513100310111130000000
6150323023320322400
76410233622142402
oct707363774017600
9132737044023310
1031300110000000
119a78336114936
123616207613400
13146078426ba3a
147a2d0d3aab72
153942c36cba00
hex1c779ff01f80

31300110000000 has 384 divisors, whose sum is σ = 112586694199200. Its totient is φ = 8346672000000.

The previous prime is 31300109999959. The next prime is 31300110000007. The reversal of 31300110000000 is 1100313.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31300110000007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89826111 + ... + 90173889.

Almost surely, 231300110000000 is an apocalyptic number.

31300110000000 is a gapful number since it is divisible by the number (30) 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 31300110000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56293347099600).

31300110000000 is an abundant number, since it is smaller than the sum of its proper divisors (81286584199200).

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

31300110000000 is an frugal number, since it uses more digits than its factorization.

31300110000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347834 (or 347789 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

Adding to 31300110000000 its reverse (1100313), we get a palindrome (31300111100313).

The spelling of 31300110000000 in words is "thirty-one trillion, three hundred billion, one hundred ten million", and thus it is an aban number.