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31276484316 = 2235711509821
BaseRepresentation
bin11101001000001110…
…010100011011011100
32222201201020000200000
4131020032110123130
51003023234444231
622211311334300
72155026505320
oct351016243334
988651200600
1031276484316
111229a83a650
12608a521390
132c4598866c
141729ba7980
15c30c216e6
hex7483946dc

31276484316 has 288 divisors, whose sum is σ = 102544565760. Its totient is φ = 8097926400.

The previous prime is 31276484303. The next prime is 31276484341. The reversal of 31276484316 is 61348467213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38095186 + ... + 38096006.

It is an arithmetic number, because the mean of its divisors is an integer number (356057520).

Almost surely, 231276484316 is an apocalyptic number.

31276484316 is a gapful number since it is divisible by the number (36) 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 31276484316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51272282880).

31276484316 is an abundant number, since it is smaller than the sum of its proper divisors (71268081444).

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

31276484316 is a wasteful number, since it uses less digits than its factorization.

31276484316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367 (or 1353 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The spelling of 31276484316 in words is "thirty-one billion, two hundred seventy-six million, four hundred eighty-four thousand, three hundred sixteen".