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31314301200 = 243252713611567
BaseRepresentation
bin11101001010011110…
…100101000100010000
32222211100101022200100
4131022132211010100
51003112430114300
622215142052400
72155666111530
oct351236450420
988740338610
1031314301200
111230a119a76
12609b11a100
132c50769610
141730c0d4c0
15c341e1700
hex74a7a5110

31314301200 has 720 divisors, whose sum is σ = 136026182656. Its totient is φ = 6494515200.

The previous prime is 31314301199. The next prime is 31314301229. The reversal of 31314301200 is 210341313.

31314301200 is a `hidden beast` number, since 3 + 1 + 31 + 430 + 1 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-3 number, since 3×313143012003 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 19982817 + ... + 19984383.

Almost surely, 231314301200 is an apocalyptic number.

31314301200 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 31314301200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68013091328).

31314301200 is an abundant number, since it is smaller than the sum of its proper divisors (104711881456).

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

31314301200 is a wasteful number, since it uses less digits than its factorization.

31314301200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31314301200 its reverse (210341313), we get a palindrome (31524642513).

The spelling of 31314301200 in words is "thirty-one billion, three hundred fourteen million, three hundred one thousand, two hundred".