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100311312103 = 1092131431857
BaseRepresentation
bin101110101101100000…
…1010010011011100111
3100120220212102122011121
41131123001102123213
53120414143441403
6114025443314411
710150544040652
oct1353301223347
9316825378147
10100311312103
11395a6136532
121753607ba07
1395c816b3a2
144bd853a899
1529217303bd
hex175b0526e7

100311312103 has 8 divisors (see below), whose sum is σ = 101279338160. Its totient is φ = 99344154240.

The previous prime is 100311312061. The next prime is 100311312107. The reversal of 100311312103 is 301213113001.

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-100311312103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100311312107) 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, 16351 + ... + 448207.

It is an arithmetic number, because the mean of its divisors is an integer number (12659917270).

Almost surely, 2100311312103 is an apocalyptic number.

100311312103 is a deficient number, since it is larger than the sum of its proper divisors (968026057).

100311312103 is a wasteful number, since it uses less digits than its factorization.

100311312103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434097.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 100311312103 its reverse (301213113001), we get a palindrome (401524425104).

The spelling of 100311312103 in words is "one hundred billion, three hundred eleven million, three hundred twelve thousand, one hundred three".

Divisors: 1 109 2131 232279 431857 47072413 920287267 100311312103