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13031303021122 = 211236301920807
BaseRepresentation
bin1011110110100001011000…
…1100000000001001000010
31201010210001220122202121011
42331220112030000021002
53202001102033133442
643414255320551134
72513323560032551
oct275502614001102
951123056582534
1013031303021122
1141745a9914891
1215656790224aa
13736b00ca5619
14330a0b539d98
15178e9289b117
hexbda16300242

13031303021122 has 16 divisors (see below), whose sum is σ = 19567486757952. Its totient is φ = 6508809291600.

The previous prime is 13031303021069. The next prime is 13031303021179. The reversal of 13031303021122 is 22112030313031.

It is a junction number, because it is equal to n+sod(n) for n = 13031303021093 and 13031303021102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13691643 + ... + 14612449.

It is an arithmetic number, because the mean of its divisors is an integer number (1222967922372).

Almost surely, 213031303021122 is an apocalyptic number.

13031303021122 is a deficient number, since it is larger than the sum of its proper divisors (6536183736830).

13031303021122 is a wasteful number, since it uses less digits than its factorization.

13031303021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928233.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13031303021122 its reverse (22112030313031), we get a palindrome (35143333334153).

The spelling of 13031303021122 in words is "thirteen trillion, thirty-one billion, three hundred three million, twenty-one thousand, one hundred twenty-two".

Divisors: 1 2 1123 2246 6301 12602 920807 1841614 7076023 14152046 1034066261 2068132522 5802004907 11604009814 6515651510561 13031303021122