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1311413339 = 5087257797
BaseRepresentation
bin100111000101010…
…1001010001011011
310101101122200220102
41032022221101123
510141210211324
6334044050015
744332554335
oct11612512133
93341580812
101311413339
11613293285
1230723390b
1317b902c32
14c6252455
157a1e6dae
hex4e2a945b

1311413339 has 4 divisors (see below), whose sum is σ = 1311676224. Its totient is φ = 1311150456.

The previous prime is 1311413297. The next prime is 1311413357. The reversal of 1311413339 is 9333141131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9333141131 = 33128196801.

It is a cyclic number.

It is not a de Polignac number, because 1311413339 - 216 = 1311347803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311413399) 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, 123812 + ... + 133985.

It is an arithmetic number, because the mean of its divisors is an integer number (327919056).

Almost surely, 21311413339 is an apocalyptic number.

1311413339 is a deficient number, since it is larger than the sum of its proper divisors (262885).

1311413339 is an equidigital number, since it uses as much as digits as its factorization.

1311413339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262884.

The product of its digits is 2916, while the sum is 29.

The square root of 1311413339 is about 36213.4414133758. The cubic root of 1311413339 is about 1094.5775394708.

The spelling of 1311413339 in words is "one billion, three hundred eleven million, four hundred thirteen thousand, three hundred thirty-nine".

Divisors: 1 5087 257797 1311413339