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131302232002013 = 143991245470467
BaseRepresentation
bin11101110110101100101110…
…111001011000110111011101
3122012220101000022021012011012
4131312230232321120313131
5114202223432343031023
61143131225045105005
736441162466116512
oct3566545671306735
9565811008235135
10131302232002013
1138922a66a17586
12128873039b8165
135835993c07277
14245d0c1d55309
15102a71440c978
hex776b2ee58ddd

131302232002013 has 4 divisors (see below), whose sum is σ = 131393477473920. Its totient is φ = 131210986530108.

The previous prime is 131302232002009. The next prime is 131302232002093. The reversal of 131302232002013 is 310200232203131.

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.

It is a cyclic number.

It is not a de Polignac number, because 131302232002013 - 22 = 131302232002009 is a prime.

It is a super-2 number, since 2×1313022320020132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131302232002013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131302232002003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45622733795 + ... + 45622736672.

It is an arithmetic number, because the mean of its divisors is an integer number (32848369368480).

Almost surely, 2131302232002013 is an apocalyptic number.

It is an amenable number.

131302232002013 is a deficient number, since it is larger than the sum of its proper divisors (91245471907).

131302232002013 is an equidigital number, since it uses as much as digits as its factorization.

131302232002013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91245471906.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 131302232002013 its reverse (310200232203131), we get a palindrome (441502464205144).

The spelling of 131302232002013 in words is "one hundred thirty-one trillion, three hundred two billion, two hundred thirty-two million, two thousand, thirteen".

Divisors: 1 1439 91245470467 131302232002013