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31343103033 = 3118923474547
BaseRepresentation
bin11101001100001100…
…011100110000111001
32222220100120121100220
4131030030130300321
51003142313244113
622222051250253
72156465660064
oct351414346071
988810517326
1031343103033
1112324401240
1260a88a9989
132c56712118
1417349898db
15c369d0523
hex74c31cc39

31343103033 has 32 divisors (see below), whose sum is σ = 46132001280. Its totient is φ = 18770252160.

The previous prime is 31343103023. The next prime is 31343103037. The reversal of 31343103033 is 33030134313.

It is not a de Polignac number, because 31343103033 - 24 = 31343103017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31343102994 and 31343103012.

It is not an unprimeable number, because it can be changed into a prime (31343103037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6890866 + ... + 6895412.

It is an arithmetic number, because the mean of its divisors is an integer number (1441625040).

Almost surely, 231343103033 is an apocalyptic number.

31343103033 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31343103033 is a deficient number, since it is larger than the sum of its proper divisors (14788898247).

31343103033 is a wasteful number, since it uses less digits than its factorization.

31343103033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6997.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 31343103033 its reverse (33030134313), we get a palindrome (64373237346).

The spelling of 31343103033 in words is "thirty-one billion, three hundred forty-three million, one hundred three thousand, thirty-three".

Divisors: 1 3 11 33 89 267 979 2347 2937 4547 7041 13641 25817 50017 77451 150051 208883 404683 626649 1214049 2297713 4451513 6893139 10671809 13354539 32015427 117389899 352169697 949791001 2849373003 10447701011 31343103033