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13031340343042 = 271447643268849
BaseRepresentation
bin1011110110100001100001…
…1010010111111100000010
31201010210011111212220122111
42331220120122113330002
53202001141111434132
643414303132525534
72513324522205040
oct275503032277402
951123144786574
1013031340343042
11417461899634a
1215656896208aa
13736b089421b8
14330a12493390
15178e95cbe647
hexbda18697f02

13031340343042 has 16 divisors (see below), whose sum is σ = 22354879075200. Its totient is φ = 5581000525248.

The previous prime is 13031340343039. The next prime is 13031340343093. The reversal of 13031340343042 is 24034304313031.

13031340343042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×130313403430422 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13031340342995 and 13031340343013.

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, 321614167 + ... + 321654682.

It is an arithmetic number, because the mean of its divisors is an integer number (1397179942200).

Almost surely, 213031340343042 is an apocalyptic number.

13031340343042 is a deficient number, since it is larger than the sum of its proper divisors (9323538732158).

13031340343042 is a wasteful number, since it uses less digits than its factorization.

13031340343042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643270305.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 13031340343042 its reverse (24034304313031), we get a palindrome (37065644656073).

The spelling of 13031340343042 in words is "thirteen trillion, thirty-one billion, three hundred forty million, three hundred forty-three thousand, forty-two".

Divisors: 1 2 7 14 1447 2894 10129 20258 643268849 1286537698 4502881943 9005763886 930810024503 1861620049006 6515670171521 13031340343042