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2101300331 = 13161638487
BaseRepresentation
bin111110100111111…
…0100110001101011
312102102222010011012
41331033310301223
513300413102311
6544302054135
7103033521014
oct17517646153
95372863135
102101300331
11989147049
124a787a34b
132764549a0
1415d10800b
15c472278b
hex7d3f4c6b

2101300331 has 4 divisors (see below), whose sum is σ = 2262938832. Its totient is φ = 1939661832.

The previous prime is 2101300321. The next prime is 2101300361. The reversal of 2101300331 is 1330031012.

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 2101300331 - 222 = 2097106027 is a prime.

It is a super-2 number, since 2×21013003312 = 8830926162121419122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101300301) 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, 80819231 + ... + 80819256.

It is an arithmetic number, because the mean of its divisors is an integer number (565734708).

Almost surely, 22101300331 is an apocalyptic number.

2101300331 is a deficient number, since it is larger than the sum of its proper divisors (161638501).

2101300331 is a wasteful number, since it uses less digits than its factorization.

2101300331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161638500.

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

The square root of 2101300331 is about 45839.9425283235. The cubic root of 2101300331 is about 1280.8434242270.

Adding to 2101300331 its reverse (1330031012), we get a palindrome (3431331343).

The spelling of 2101300331 in words is "two billion, one hundred one million, three hundred thousand, three hundred thirty-one".

Divisors: 1 13 161638487 2101300331