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13031031022 = 219973535277
BaseRepresentation
bin11000010001011010…
…11100000011101110
31020122011011222000121
430020231130003232
5203141420443042
65553020115154
7640630636042
oct141055340356
936564158017
1013031031022
11558774a529
122638095aba
1312c8948059
148b8926022
15514031367
hex308b5c0ee

13031031022 has 16 divisors (see below), whose sum is σ = 20787434640. Its totient is φ = 6108956928.

The previous prime is 13031031011. The next prime is 13031031043. The reversal of 13031031022 is 22013013031.

It is a junction number, because it is equal to n+sod(n) for n = 13031030987 and 13031031005.

It is a congruent number.

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, 1763953 + ... + 1771324.

It is an arithmetic number, because the mean of its divisors is an integer number (1299214665).

Almost surely, 213031031022 is an apocalyptic number.

13031031022 is a deficient number, since it is larger than the sum of its proper divisors (7756403618).

13031031022 is a wasteful number, since it uses less digits than its factorization.

13031031022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535395.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13031031022 its reverse (22013013031), we get a palindrome (35044044053).

The spelling of 13031031022 in words is "thirteen billion, thirty-one million, thirty-one thousand, twenty-two".

Divisors: 1 2 19 38 97 194 1843 3686 3535277 7070554 67170263 134340526 342921869 685843738 6515515511 13031031022