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31343411313 = 3219696726309
BaseRepresentation
bin11101001100001101…
…101000000001110001
32222220101011021020200
4131030031220001301
51003142403130223
622222102025413
72156501412624
oct351415500161
988811137220
1031343411313
11123245a1915
1260a8a18269
132c567bc536
141734a29dbb
15c36a41a43
hex74c368071

31343411313 has 24 divisors (see below), whose sum is σ = 47665300800. Its totient is φ = 19792245024.

The previous prime is 31343411293. The next prime is 31343411339. The reversal of 31343411313 is 31311434313.

31343411313 is a `hidden beast` number, since 3 + 1 + 3 + 4 + 341 + 1 + 313 = 666.

It is not a de Polignac number, because 31343411313 - 26 = 31343411249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31343411353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1178203 + ... + 1204511.

It is an arithmetic number, because the mean of its divisors is an integer number (1986054200).

Almost surely, 231343411313 is an apocalyptic number.

It is an amenable number.

31343411313 is a deficient number, since it is larger than the sum of its proper divisors (16321889487).

31343411313 is a wasteful number, since it uses less digits than its factorization.

31343411313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33301 (or 33298 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 31343411313 its reverse (31311434313), we get a palindrome (62654845626).

The spelling of 31343411313 in words is "thirty-one billion, three hundred forty-three million, four hundred eleven thousand, three hundred thirteen".

Divisors: 1 3 9 19 57 171 6967 20901 26309 62703 78927 132373 236781 397119 499871 1191357 1499613 4498839 183294803 549884409 1649653227 3482601257 10447803771 31343411313