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12303300131 = 41300080491
BaseRepresentation
bin10110111010101010…
…10111011000100011
31011202102211101220122
423131111113120203
5200144121101011
65352502230455
7613613216453
oct133525273043
934672741818
1012303300131
11524398a541
12247442542b
131210c49765
1484a00dd63
154c01d23db
hex2dd557623

12303300131 has 4 divisors (see below), whose sum is σ = 12603380664. Its totient is φ = 12003219600.

The previous prime is 12303300101. The next prime is 12303300179. The reversal of 12303300131 is 13100330321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13100330321 = 131007717717.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12303300131 is a prime.

It is a super-2 number, since 2×123033001312 (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 (12303300101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150040205 + ... + 150040286.

It is an arithmetic number, because the mean of its divisors is an integer number (3150845166).

Almost surely, 212303300131 is an apocalyptic number.

12303300131 is a deficient number, since it is larger than the sum of its proper divisors (300080533).

12303300131 is an equidigital number, since it uses as much as digits as its factorization.

12303300131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300080532.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 12303300131 its reverse (13100330321), we get a palindrome (25403630452).

The spelling of 12303300131 in words is "twelve billion, three hundred three million, three hundred thousand, one hundred thirty-one".

Divisors: 1 41 300080491 12303300131