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1300312131 = 34311389203
BaseRepresentation
bin100110110000001…
…0011000001000011
310100121202200220120
41031200103001003
510130334442011
6333010111323
744136320316
oct11540230103
93317680816
101300312131
11607aa0828
1230357b543
13179517081
14c49a297d
1579252a06
hex4d813043

1300312131 has 16 divisors (see below), whose sum is σ = 1789789056. Its totient is φ = 839212416.

The previous prime is 1300312103. The next prime is 1300312159. The reversal of 1300312131 is 1312130031.

It is an interprime number because it is at equal distance from previous prime (1300312103) and next prime (1300312159).

It is not a de Polignac number, because 1300312131 - 27 = 1300312003 is a prime.

It is a super-2 number, since 2×13003121312 = 3381623276051522322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1300312131.

It is not an unprimeable number, because it can be changed into a prime (1300392131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30025 + ... + 59178.

It is an arithmetic number, because the mean of its divisors is an integer number (111861816).

Almost surely, 21300312131 is an apocalyptic number.

1300312131 is a deficient number, since it is larger than the sum of its proper divisors (489476925).

1300312131 is a wasteful number, since it uses less digits than its factorization.

1300312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89362.

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

The square root of 1300312131 is about 36059.8409730270. The cubic root of 1300312131 is about 1091.4802241615.

Adding to 1300312131 its reverse (1312130031), we get a palindrome (2612442162).

The spelling of 1300312131 in words is "one billion, three hundred million, three hundred twelve thousand, one hundred thirty-one".

Divisors: 1 3 43 113 129 339 4859 14577 89203 267609 3835729 10079939 11507187 30239817 433437377 1300312131