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13031214341 = 54287240043
BaseRepresentation
bin11000010001011100…
…01000110100000101
31020122011112021111012
430020232020310011
5203141442324331
65553024052005
7640632331355
oct141056106405
936564467435
1013031214341
115587865232
122638164005
1312c89b0622
148b8972b65
1551406a82b
hex308b88d05

13031214341 has 4 divisors (see below), whose sum is σ = 13031508672. Its totient is φ = 13030920012.

The previous prime is 13031214299. The next prime is 13031214359. The reversal of 13031214341 is 14341213031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14341213031 = 17238323397.

It is a cyclic number.

It is not a de Polignac number, because 13031214341 - 210 = 13031213317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031514341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65735 + ... + 174308.

It is an arithmetic number, because the mean of its divisors is an integer number (3257877168).

Almost surely, 213031214341 is an apocalyptic number.

It is an amenable number.

13031214341 is a deficient number, since it is larger than the sum of its proper divisors (294331).

13031214341 is an equidigital number, since it uses as much as digits as its factorization.

13031214341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294330.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13031214341 its reverse (14341213031), we get a palindrome (27372427372).

The spelling of 13031214341 in words is "thirteen billion, thirty-one million, two hundred fourteen thousand, three hundred forty-one".

Divisors: 1 54287 240043 13031214341