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30001312311 = 310000437437
BaseRepresentation
bin11011111100001101…
…111011001000110111
32212102211202120112020
4123330031323020313
5442420313443221
621441000124223
72111313642555
oct337415731067
985384676466
1030001312311
11117a5a5aa93
125993466673
132aa1734509
1416486aabd5
15ba8cd7ac6
hex6fc37b237

30001312311 has 4 divisors (see below), whose sum is σ = 40001749752. Its totient is φ = 20000874872.

The previous prime is 30001312267. The next prime is 30001312351. The reversal of 30001312311 is 11321310003.

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 30001312311 - 211 = 30001310263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30001312351) 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, 5000218716 + ... + 5000218721.

It is an arithmetic number, because the mean of its divisors is an integer number (10000437438).

Almost surely, 230001312311 is an apocalyptic number.

30001312311 is a deficient number, since it is larger than the sum of its proper divisors (10000437441).

30001312311 is a wasteful number, since it uses less digits than its factorization.

30001312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000437440.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30001312311 its reverse (11321310003), we get a palindrome (41322622314).

The spelling of 30001312311 in words is "thirty billion, one million, three hundred twelve thousand, three hundred eleven".

Divisors: 1 3 10000437437 30001312311