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31146344364113 = 1119943573265681
BaseRepresentation
bin1110001010011110100101…
…10010101011100001010001
311002021120011021212011010222
413011033102302223201101
513040300203124122423
6150124233313202425
76363151306615016
oct705172262534121
9132246137764128
1031146344364113
119a190aa456810
1235b0453860415
13144c11a7c7684
147996c387170d
153902c421d3c8
hex1c53d2cab851

31146344364113 has 16 divisors (see below), whose sum is σ = 34156421174400. Its totient is φ = 28166098118400.

The previous prime is 31146344364097. The next prime is 31146344364139.

It is a happy number.

31146344364113 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31146344364113 - 24 = 31146344364097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31146344364193) 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, 7904633 + ... + 11170313.

It is an arithmetic number, because the mean of its divisors is an integer number (2134776323400).

Almost surely, 231146344364113 is an apocalyptic number.

It is an amenable number.

31146344364113 is a deficient number, since it is larger than the sum of its proper divisors (3010076810287).

31146344364113 is a wasteful number, since it uses less digits than its factorization.

31146344364113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270248.

The product of its digits is 746496, while the sum is 44.

It can be divided in two parts, 3114634 and 4364113, that added together give a palindrome (7478747).

The spelling of 31146344364113 in words is "thirty-one trillion, one hundred forty-six billion, three hundred forty-four million, three hundred sixty-four thousand, one hundred thirteen".

Divisors: 1 11 199 2189 4357 47927 867043 3265681 9537473 35922491 649870519 7148575709 14228572117 156514293287 2831485851283 31146344364113