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1302412331 = 113131112281
BaseRepresentation
bin100110110100001…
…0011110000101011
310100202201101211202
41031220103300223
510131404143311
6333123114415
744163215333
oct11550236053
93322641752
101302412331
116091a5730
12304212a0b
13179aa0cac
14c4d8c0c3
1579519e3b
hex4da13c2b

1302412331 has 16 divisors (see below), whose sum is σ = 1471481856. Its totient is φ = 1142040000.

The previous prime is 1302412327. The next prime is 1302412339. The reversal of 1302412331 is 1332142031.

It is not a de Polignac number, because 1302412331 - 22 = 1302412327 is a prime.

It is a super-2 number, since 2×13024123312 = 3392555759881707122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302412339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99911 + ... + 112191.

It is an arithmetic number, because the mean of its divisors is an integer number (91967616).

Almost surely, 21302412331 is an apocalyptic number.

1302412331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1302412331 is a deficient number, since it is larger than the sum of its proper divisors (169069525).

1302412331 is a wasteful number, since it uses less digits than its factorization.

1302412331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12634.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1302412331 is about 36088.9502618184. The cubic root of 1302412331 is about 1092.0675430745.

Adding to 1302412331 its reverse (1332142031), we get a palindrome (2634554362).

The spelling of 1302412331 in words is "one billion, three hundred two million, four hundred twelve thousand, three hundred thirty-one".

Divisors: 1 11 31 311 341 3421 9641 12281 106051 135091 380711 3819391 4187821 42013301 118401121 1302412331