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20031113319 = 372179761263
BaseRepresentation
bin10010101001111100…
…101000100001100111
31220201000001222200220
4102221330220201213
5312010431111234
613111400135423
71306250440200
oct225174504147
956630058626
1020031113319
11854a04aa08
123a70467573
131b72c7c599
14d804a45a7
157c3864a49
hex4a9f28867

20031113319 has 24 divisors (see below), whose sum is σ = 31242274560. Its totient is φ = 11382389424.

The previous prime is 20031113309. The next prime is 20031113329. The reversal of 20031113319 is 91331113002.

It is an interprime number because it is at equal distance from previous prime (20031113309) and next prime (20031113329).

It is not a de Polignac number, because 20031113319 - 24 = 20031113303 is a prime.

It is a super-2 number, since 2×200311133192 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031113309) 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 23 ways as a sum of consecutive naturals, for example, 354319 + ... + 406944.

It is an arithmetic number, because the mean of its divisors is an integer number (1301761440).

Almost surely, 220031113319 is an apocalyptic number.

20031113319 is a deficient number, since it is larger than the sum of its proper divisors (11211161241).

20031113319 is a wasteful number, since it uses less digits than its factorization.

20031113319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761459 (or 761452 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The spelling of 20031113319 in words is "twenty billion, thirty-one million, one hundred thirteen thousand, three hundred nineteen".

Divisors: 1 3 7 21 49 147 179 537 1253 3759 8771 26313 761263 2283789 5328841 15986523 37301887 111905661 136266077 408798231 953862539 2861587617 6677037773 20031113319