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31001333310013 = 1123328146379283
BaseRepresentation
bin1110000110010000011110…
…11101011010001000111101
311001202200212012222100110111
413003020033131122020331
513030411212311410023
6145533452123110021
76346525640161363
oct703101735321075
9131680765870414
1031001333310013
1199726564a5550
123588323972311
13143b54aa06511
14792688905633
1538b63861000d
hex1c320f75a23d

31001333310013 has 32 divisors (see below), whose sum is σ = 34096679540352. Its totient is φ = 27953166259200.

The previous prime is 31001333309987. The next prime is 31001333310037.

31001333310013 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31001333310013 - 225 = 31001299755581 is a prime.

It is a super-2 number, since 2×310013333100132 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31001333310613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3339576670 + ... + 3339585952.

It is an arithmetic number, because the mean of its divisors is an integer number (1065521235636).

Almost surely, 231001333310013 is an apocalyptic number.

It is an amenable number.

31001333310013 is a deficient number, since it is larger than the sum of its proper divisors (3095346230339).

31001333310013 is a wasteful number, since it uses less digits than its factorization.

31001333310013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14445.

The product of its (nonzero) digits is 729, while the sum is 22.

It can be divided in two parts, 3100133 and 3310013, that added together give a palindrome (6410146).

The spelling of 31001333310013 in words is "thirty-one trillion, one billion, three hundred thirty-three million, three hundred ten thousand, thirteen".

Divisors: 1 11 233 281 2563 3091 4637 9283 51007 65473 102113 720203 1080421 1302997 2162939 2608523 11884631 14332967 23792329 28693753 43045271 303598301 473497981 607785859 3339581311 6685644449 10029548143 12095721151 110325029573 133052932661 2818303028183 31001333310013