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300312443431 = 711132331287607
BaseRepresentation
bin1000101111011000000…
…01000011101000100111
31001201011021211210120001
410113230001003220213
514410014441142211
6345543413522131
730461010436210
oct4275401035047
91051137753501
10300312443431
111063a85aa710
124a252043347
132241c795490
141076c834407
157c29d29ac1
hex45ec043a27

300312443431 has 32 divisors (see below), whose sum is σ = 404947565568. Its totient is φ = 215081706240.

The previous prime is 300312443419. The next prime is 300312443441. The reversal of 300312443431 is 134344213003.

It is a cyclic number.

It is not a de Polignac number, because 300312443431 - 29 = 300312442919 is a prime.

It is a super-2 number, since 2×3003124434312 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 300312443431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300312443441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410571 + ... + 877036.

It is an arithmetic number, because the mean of its divisors is an integer number (12654611424).

Almost surely, 2300312443431 is an apocalyptic number.

300312443431 is a deficient number, since it is larger than the sum of its proper divisors (104635122137).

300312443431 is a wasteful number, since it uses less digits than its factorization.

300312443431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287871.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 300312443431 its reverse (134344213003), we get a palindrome (434656656434).

The spelling of 300312443431 in words is "three hundred billion, three hundred twelve million, four hundred forty-three thousand, four hundred thirty-one".

Divisors: 1 7 11 13 77 91 143 233 1001 1631 2563 3029 17941 21203 33319 233233 1287607 9013249 14163677 16738891 99145739 117172237 184127801 300012431 1288894607 2100087017 3300136741 3900161603 23100957187 27301131221 42901777633 300312443431