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12301113131 = 311815933697
BaseRepresentation
bin10110111010011010…
…00001011100101011
31011202021201021220122
423131031001130223
5200143041110011
65352343313455
7613555510406
oct133515013453
934667637818
1012301113131
1152427263aa
12247374b88b
131210662188
14849a00d3d
154bedee3db
hex2dd34172b

12301113131 has 16 divisors (see below), whose sum is σ = 12793068288. Its totient is φ = 11815372800.

The previous prime is 12301113119. The next prime is 12301113179. The reversal of 12301113131 is 13131110321.

It is a cyclic number.

It is not a de Polignac number, because 12301113131 - 26 = 12301113067 is a prime.

It is a super-2 number, since 2×123011131312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12301118131) 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, 3325475 + ... + 3329171.

It is an arithmetic number, because the mean of its divisors is an integer number (799566768).

Almost surely, 212301113131 is an apocalyptic number.

12301113131 is a deficient number, since it is larger than the sum of its proper divisors (491955157).

12301113131 is a wasteful number, since it uses less digits than its factorization.

12301113131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 12301113131 its reverse (13131110321), we get a palindrome (25432223452).

The spelling of 12301113131 in words is "twelve billion, three hundred one million, one hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 31 181 593 3697 5611 18383 107333 114607 669157 2192321 3327323 20743867 67961951 396810101 12301113131