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31359713343 = 376269238207
BaseRepresentation
bin11101001101001011…
…110100000000111111
32222221111211111102120
4131031023310000333
51003211041311333
622223443254023
72160060110460
oct351513640077
988844744376
1031359713343
1112332816872
1260b237a313
132c59ca96ca
141736c70d67
15c381b1db3
hex74d2f403f

31359713343 has 16 divisors (see below), whose sum is σ = 47794053120. Its totient is φ = 17916902496.

The previous prime is 31359713327. The next prime is 31359713401. The reversal of 31359713343 is 34331795313.

It is not a de Polignac number, because 31359713343 - 24 = 31359713327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31359713295 and 31359713304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31359718343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12546 + ... + 250752.

It is an arithmetic number, because the mean of its divisors is an integer number (2987128320).

Almost surely, 231359713343 is an apocalyptic number.

31359713343 is a deficient number, since it is larger than the sum of its proper divisors (16434339777).

31359713343 is a wasteful number, since it uses less digits than its factorization.

31359713343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244486.

The product of its digits is 306180, while the sum is 42.

The spelling of 31359713343 in words is "thirty-one billion, three hundred fifty-nine million, seven hundred thirteen thousand, three hundred forty-three".

Divisors: 1 3 7 21 6269 18807 43883 131649 238207 714621 1667449 5002347 1493319683 4479959049 10453237781 31359713343