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13404020304031 = 761791372900411
BaseRepresentation
bin1100001100001101110111…
…0111100110100010011111
31202110102010012222111121121
43003003131313212202133
53224102413144212111
644301415533511411
72552260055462410
oct303033567464237
952412105874547
1013404020304031
1142a8682024005
121605957342567
13762cbc1a6a86
14344a88105807
15183a08eb6871
hexc30ddde689f

13404020304031 has 32 divisors (see below), whose sum is σ = 15882192046080. Its totient is φ = 11076317740800.

The previous prime is 13404020303983. The next prime is 13404020304041. The reversal of 13404020304031 is 13040302040431.

It is a cyclic number.

It is not a de Polignac number, because 13404020304031 - 227 = 13403886086303 is a prime.

It is a super-2 number, since 2×134040203040312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13404020303987 and 13404020304005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404020304041) 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, 3171216 + ... + 6071626.

It is an arithmetic number, because the mean of its divisors is an integer number (496318501440).

Almost surely, 213404020304031 is an apocalyptic number.

13404020304031 is a deficient number, since it is larger than the sum of its proper divisors (2478171742049).

13404020304031 is a wasteful number, since it uses less digits than its factorization.

13404020304031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900695.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13404020304031 its reverse (13040302040431), we get a palindrome (26444322344462).

The spelling of 13404020304031 in words is "thirteen trillion, four hundred four billion, twenty million, three hundred four thousand, thirty-one".

Divisors: 1 7 61 79 137 427 553 959 4819 8357 10823 33733 58499 75761 660203 2900411 4621421 20302877 176925071 229132469 397356307 1238475497 1603927283 2781494149 13977080609 24238734727 31391148253 97839564263 169671143089 219738037771 1914860043433 13404020304031