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13031333021213 = 1359791631319407
BaseRepresentation
bin1011110110100001011111…
…1110011100011000011101
31201010210011000002220222122
42331220113332130120131
53202001132223134323
643414302311552325
72513324403031433
oct275502776343035
951123130086878
1013031333021213
114174614845351
12156568708b6a5
13736b0727a660
14330a11508d53
15178e95324ec8
hexbda17f9c61d

13031333021213 has 32 divisors (see below), whose sum is σ = 14540931686400. Its totient is φ = 11603721894336.

The previous prime is 13031333021183. The next prime is 13031333021219. The reversal of 13031333021213 is 31212033313031.

It is not a de Polignac number, because 13031333021213 - 212 = 13031333017117 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 (13031333021219) 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, 9216956 + ... + 10536362.

It is an arithmetic number, because the mean of its divisors is an integer number (454404115200).

Almost surely, 213031333021213 is an apocalyptic number.

13031333021213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13031333021213 is a deficient number, since it is larger than the sum of its proper divisors (1509598665187).

13031333021213 is a wasteful number, since it uses less digits than its factorization.

13031333021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319721.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 13031333021213 its reverse (31212033313031), we get a palindrome (44243366334244).

The spelling of 13031333021213 in words is "thirteen trillion, thirty-one billion, three hundred thirty-three million, twenty-one thousand, two hundred thirteen".

Divisors: 1 13 59 79 163 767 1027 2119 4661 9617 12877 60593 125021 167401 759743 1319407 9876659 17152291 77845013 104233153 215063341 1011985169 1355030989 2795823433 6149756027 12688737119 16990003939 79946828351 164953582547 220870051207 1002410232401 13031333021213