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31093822019 = 132519529213
BaseRepresentation
bin11100111101010101…
…100001001001000011
32222020222111211002202
4130331111201021003
51002140004301034
622141224303415
72150351061221
oct347525411103
988228454082
1031093822019
1112206719777
126039311b6b
132c16b91a70
14170d819b11
15c1eb8e47e
hex73d561243

31093822019 has 8 divisors (see below), whose sum is σ = 33619066992. Its totient is φ = 28587636000.

The previous prime is 31093822013. The next prime is 31093822033. The reversal of 31093822019 is 91022839013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31093822019 is a prime.

It is a super-2 number, since 2×310938220192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31093822013) 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 7 ways as a sum of consecutive naturals, for example, 4761344 + ... + 4767869.

It is an arithmetic number, because the mean of its divisors is an integer number (4202383374).

Almost surely, 231093822019 is an apocalyptic number.

31093822019 is a deficient number, since it is larger than the sum of its proper divisors (2525244973).

31093822019 is a wasteful number, since it uses less digits than its factorization.

31093822019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9529477.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 31093822019 in words is "thirty-one billion, ninety-three million, eight hundred twenty-two thousand, nineteen".

Divisors: 1 13 251 3263 9529213 123879769 2391832463 31093822019