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31003002130003 = 757102713987449
BaseRepresentation
bin1110000110010011100101…
…11011011100111001010011
311001202212011112011012010021
413003021302323130321103
513030423122021130003
6145534325455444311
76346615203001651
oct703116273347123
9131685145135107
1031003002130003
119973332501722
12358870a826697
13143b755686977
147927a63d1dd1
1538b6d4da52bd
hex1c3272edce53

31003002130003 has 8 divisors (see below), whose sum is σ = 31046987491200. Its totient is φ = 30959024765760.

The previous prime is 31003002129989. The next prime is 31003002130013. The reversal of 31003002130003 is 30003120030013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31003002130003 is a prime.

It is a super-2 number, since 2×310030021300032 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31003002130013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5781423 + ... + 9768871.

It is an arithmetic number, because the mean of its divisors is an integer number (3880873436400).

Almost surely, 231003002130003 is an apocalyptic number.

31003002130003 is a deficient number, since it is larger than the sum of its proper divisors (43985361197).

31003002130003 is a wasteful number, since it uses less digits than its factorization.

31003002130003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3998477.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 31003002130003 its reverse (30003120030013), we get a palindrome (61006122160016).

The spelling of 31003002130003 in words is "thirty-one trillion, three billion, two million, one hundred thirty thousand, three".

Divisors: 1 757 10271 3987449 7775147 3018498893 40955088679 31003002130003