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31330300200000 = 2635554795461
BaseRepresentation
bin1110001111110101001110…
…11010100000010001000000
311002221010222111012212001220
413013322213122200101000
513101303423322400000
6150344535145155040
76412353021461244
oct707724732402100
9132833874185056
1031330300200000
119a8a118757a4a
12362003218ba80
131463585b695c9
147a4574ba6424
15394e8dd761a0
hex1c7ea76a0440

31330300200000 has 336 divisors, whose sum is σ = 103802314851648. Its totient is φ = 8339385600000.

The previous prime is 31330300199983. The next prime is 31330300200061. The reversal of 31330300200000 is 200303313.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 328152270 + ... + 328247730.

It is an arithmetic number, because the mean of its divisors is an integer number (308935460868).

Almost surely, 231330300200000 is an apocalyptic number.

31330300200000 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 31330300200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51901157425824).

31330300200000 is an abundant number, since it is smaller than the sum of its proper divisors (72472014651648).

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

31330300200000 is an frugal number, since it uses more digits than its factorization.

31330300200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96048 (or 96018 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 31330300200000 its reverse (200303313), we get a palindrome (31330500503313).

The spelling of 31330300200000 in words is "thirty-one trillion, three hundred thirty billion, three hundred million, two hundred thousand".