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31134433343 = 1341479121949
BaseRepresentation
bin11100111111110000…
…011100000000111111
32222100210221002100212
4130333300130000333
51002230403331333
622145234543035
72151353213456
oct347760340077
988323832325
1031134433343
1112227637652
12604aa37a7b
132c22410930
141714d8bb9d
15c23512448
hex73fc1c03f

31134433343 has 16 divisors (see below), whose sum is σ = 34419168000. Its totient is φ = 27979749120.

The previous prime is 31134433333. The next prime is 31134433349. The reversal of 31134433343 is 34333443113.

It is a cyclic number.

It is not a de Polignac number, because 31134433343 - 26 = 31134433279 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31134433349) 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, 194333 + ... + 316281.

It is an arithmetic number, because the mean of its divisors is an integer number (2151198000).

Almost surely, 231134433343 is an apocalyptic number.

31134433343 is a deficient number, since it is larger than the sum of its proper divisors (3284734657).

31134433343 is a wasteful number, since it uses less digits than its factorization.

31134433343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122482.

The product of its digits is 46656, while the sum is 32.

Adding to 31134433343 its reverse (34333443113), we get a palindrome (65467876456).

The spelling of 31134433343 in words is "thirty-one billion, one hundred thirty-four million, four hundred thirty-three thousand, three hundred forty-three".

Divisors: 1 13 41 479 533 6227 19639 121949 255307 1585337 4999909 58413571 64998817 759376423 2394956411 31134433343