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313131424131313 = 89101461613123269
BaseRepresentation
bin100011100110010101001011…
…1010011011010100011110001
31112001201001221100010201122121
41013030222113103122203301
5312020321124034200223
63025550331304034241
7122645666412105244
oct10714522723324361
91461631840121577
10313131424131313
119085632266a277
122b152b74462981
13105952220121b8
1457478db11b25b
152630400db915d
hex11cca974da8f1

313131424131313 has 32 divisors (see below), whose sum is σ = 321003985024800. Its totient is φ = 305381184768000.

The previous prime is 313131424131307. The next prime is 313131424131341.

313131424131313 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 16 ways, for example, as 100645177290849 + 212486246840464 = 10032207^2 + 14576908^2 .

It is a cyclic number.

It is not a de Polignac number, because 313131424131313 - 29 = 313131424130801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313134424131313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2540166843 + ... + 2540290111.

It is an arithmetic number, because the mean of its divisors is an integer number (10031374532025).

Almost surely, 2313131424131313 is an apocalyptic number.

It is an amenable number.

313131424131313 is a deficient number, since it is larger than the sum of its proper divisors (7872560893487).

313131424131313 is a wasteful number, since it uses less digits than its factorization.

313131424131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124533.

The product of its digits is 23328, while the sum is 34.

The spelling of 313131424131313 in words is "three hundred thirteen trillion, one hundred thirty-one billion, four hundred twenty-four million, one hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 89 101 461 613 8989 41029 46561 54557 61913 123269 282593 4143929 5510257 10970941 12450169 25150777 28541893 56827009 75563897 1108065041 2540228477 5057603801 5739527909 6725186833 7631953597 34834956517 510817983901 679243870133 3100311130013 3518330608217 313131424131313