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300321100031 = 2017148894943
BaseRepresentation
bin1000101111011001000…
…10000101000011111111
31001201011220010121011212
410113230202011003333
514410024200200111
6345544323235035
730461144142131
oct4275442050377
91051156117155
10300321100031
11106402482527
124a254b18a7b
1322421506724
141076da49051
157c2a98998b
hex45ec8850ff

300321100031 has 4 divisors (see below), whose sum is σ = 300469996992. Its totient is φ = 300172203072.

The previous prime is 300321099917. The next prime is 300321100043. The reversal of 300321100031 is 130001123003.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-300321100031 is a prime.

It is a super-2 number, since 2×3003211000312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300321099979 and 300321100015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300321100631) 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, 74445455 + ... + 74449488.

It is an arithmetic number, because the mean of its divisors is an integer number (75117499248).

Almost surely, 2300321100031 is an apocalyptic number.

300321100031 is a deficient number, since it is larger than the sum of its proper divisors (148896961).

300321100031 is a wasteful number, since it uses less digits than its factorization.

300321100031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148896960.

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

Adding to 300321100031 its reverse (130001123003), we get a palindrome (430322223034).

The spelling of 300321100031 in words is "three hundred billion, three hundred twenty-one million, one hundred thousand, thirty-one".

Divisors: 1 2017 148894943 300321100031