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30001031031103 = 112727366457373
BaseRepresentation
bin1101101001001001010001…
…10011000010100100111111
310221020001220102202120021021
412310210220303002210333
512413014102420443403
6143450141113445011
76214334342121616
oct664445063024477
9127201812676237
1030001031031103
119617402989a80
123446498710767
131398114c22822
1475a0b429487d
153705e05898bd
hex1b4928cc293f

30001031031103 has 4 divisors (see below), whose sum is σ = 32728397488488. Its totient is φ = 27273664573720.

The previous prime is 30001031031071. The next prime is 30001031031107. The reversal of 30001031031103 is 30113013010003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30001031031103 - 25 = 30001031031071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30001031031107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1363683228676 + ... + 1363683228697.

It is an arithmetic number, because the mean of its divisors is an integer number (8182099372122).

Almost surely, 230001031031103 is an apocalyptic number.

30001031031103 is a deficient number, since it is larger than the sum of its proper divisors (2727366457385).

30001031031103 is a wasteful number, since it uses less digits than its factorization.

30001031031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727366457384.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 30001031031103 its reverse (30113013010003), we get a palindrome (60114044041106).

The spelling of 30001031031103 in words is "thirty trillion, one billion, thirty-one million, thirty-one thousand, one hundred three".

Divisors: 1 11 2727366457373 30001031031103