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31405011050413 = 71113128924339517
BaseRepresentation
bin1110010010000000011001…
…00001110001111110101101
311010012021211012212021211201
413021000030201301332231
513104014430312103123
6150443132442045501
76420636310306540
oct711001441617655
9133167735767751
1031405011050413
11a008877013720
1236326027a9891
13146a6312736c0
147a80212d2857
15396db2d245ad
hex1c900c871fad

31405011050413 has 32 divisors (see below), whose sum is σ = 42198882727680. Its totient is φ = 22571493557760.

The previous prime is 31405011050407. The next prime is 31405011050447.

31405011050413 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31405011050413 - 25 = 31405011050381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31405011030413) 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, 10879470 + ... + 13460047.

It is an arithmetic number, because the mean of its divisors is an integer number (1318715085240).

Almost surely, 231405011050413 is an apocalyptic number.

It is an amenable number.

31405011050413 is a deficient number, since it is larger than the sum of its proper divisors (10793871677267).

31405011050413 is a wasteful number, since it uses less digits than its factorization.

31405011050413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24340837.

The product of its (nonzero) digits is 3600, while the sum is 28.

It can be divided in two parts, 3140501 and 1050413, that added together give a palindrome (4190914).

The spelling of 31405011050413 in words is "thirty-one trillion, four hundred five billion, eleven million, fifty thousand, four hundred thirteen".

Divisors: 1 7 11 13 77 91 143 1001 1289 9023 14179 16757 99253 117299 184327 1290289 24339517 170376619 267734687 316413721 1874142809 2214896047 3480550931 24363856517 31373637413 219615461891 345110011543 407857286369 2415770080801 2855001004583 4486430150059 31405011050413