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100312031003 = 7382710911523
BaseRepresentation
bin101110101101100010…
…0000001111100011011
3100120220220210011022112
41131123010001330123
53120414334443003
6114025510542535
710150553123612
oct1353304017433
9316826704275
10100312031003
11395a6587668
1217536367a4b
1395c8360682
144bd8686879
1529218233d8
hex175b101f1b

100312031003 has 16 divisors (see below), whose sum is σ = 101969352576. Its totient is φ = 98662858560.

The previous prime is 100312030999. The next prime is 100312031011. The reversal of 100312031003 is 300130213001.

It is a cyclic number.

It is not a de Polignac number, because 100312031003 - 22 = 100312030999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100312036003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65864000 + ... + 65865522.

It is an arithmetic number, because the mean of its divisors is an integer number (6373084536).

Almost surely, 2100312031003 is an apocalyptic number.

100312031003 is a deficient number, since it is larger than the sum of its proper divisors (1657321573).

100312031003 is a wasteful number, since it uses less digits than its factorization.

100312031003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 100312031003 its reverse (300130213001), we get a palindrome (400442244004).

The spelling of 100312031003 in words is "one hundred billion, three hundred twelve million, thirty-one thousand, three".

Divisors: 1 73 827 1091 1523 60371 79643 111179 902257 1259521 1661593 65864761 91945033 121296289 1374137411 100312031003