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1311312034 = 21738568001
BaseRepresentation
bin100111000101001…
…0000100010100010
310101101110112221101
41032022100202202
510141143441114
6334041545014
744331653104
oct11612204242
93341415841
101311312034
1161322415a
123071a516a
1317b898aa6
14c6227574
157a1c6d74
hex4e2908a2

1311312034 has 8 divisors (see below), whose sum is σ = 2082672108. Its totient is φ = 617088000.

The previous prime is 1311311977. The next prime is 1311312043. The reversal of 1311312034 is 4302131131.

It can be written as a sum of positive squares in 2 ways, for example, as 1025600625 + 285711409 = 32025^2 + 16903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19283967 + ... + 19284034.

Almost surely, 21311312034 is an apocalyptic number.

1311312034 is a deficient number, since it is larger than the sum of its proper divisors (771360074).

1311312034 is a wasteful number, since it uses less digits than its factorization.

1311312034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38568020.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1311312034 is about 36212.0426653896. The cubic root of 1311312034 is about 1094.5493538409.

Adding to 1311312034 its reverse (4302131131), we get a palindrome (5613443165).

The spelling of 1311312034 in words is "one billion, three hundred eleven million, three hundred twelve thousand, thirty-four".

Divisors: 1 2 17 34 38568001 77136002 655656017 1311312034