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13031220001030 = 2571116923662339
BaseRepresentation
bin1011110110100001000100…
…1111010011100100000110
31201010202212010102220102221
42331220101033103210012
53202000414310013110
643414243153322554
72513321531260510
oct275502117234406
951122763386387
1013031220001030
114174566a70640
12156565526645a
13736ab9a286ca
14330a004c8bb0
15178e8a44c7da
hexbda113d3906

13031220001030 has 32 divisors (see below), whose sum is σ = 29244088523520. Its totient is φ = 4061678961120.

The previous prime is 13031220001003. The next prime is 13031220001039. The reversal of 13031220001030 is 3010002213031.

It is a junction number, because it is equal to n+sod(n) for n = 13031220000995 and 13031220001013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031220001039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8461830400 + ... + 8461831939.

It is an arithmetic number, because the mean of its divisors is an integer number (913877766360).

Almost surely, 213031220001030 is an apocalyptic number.

13031220001030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13031220001030 is an abundant number, since it is smaller than the sum of its proper divisors (16212868522490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13031220001030 is a wasteful number, since it uses less digits than its factorization.

13031220001030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16923662364.

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

Adding to 13031220001030 its reverse (3010002213031), we get a palindrome (16041222214061).

The spelling of 13031220001030 in words is "thirteen trillion, thirty-one billion, two hundred twenty million, one thousand, thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 16923662339 33847324678 84618311695 118465636373 169236623390 186160285729 236931272746 372320571458 592328181865 930801428645 1184656363730 1303122000103 1861602857290 2606244000206 6515610000515 13031220001030