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1013333331 = 31761932099
BaseRepresentation
bin111100011001100…
…011110101010011
32121121202200000010
4330121203311103
54033403131311
6244315130003
734053122403
oct7431436523
92547680003
101013333331
1148000036a
12243443903
13131c2802a
149881c803
155de66da6
hex3c663d53

1013333331 has 16 divisors (see below), whose sum is σ = 1432944000. Its totient is φ = 634770048.

The previous prime is 1013333329. The next prime is 1013333351. The reversal of 1013333331 is 1333333101.

It is not a de Polignac number, because 1013333331 - 21 = 1013333329 is a prime.

It is a super-2 number, since 2×10133333312 = 2053688879431111122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1013333298 and 1013333307.

It is not an unprimeable number, because it can be changed into a prime (1013333351) 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 15 ways as a sum of consecutive naturals, for example, 15520 + ... + 47618.

It is an arithmetic number, because the mean of its divisors is an integer number (89559000).

Almost surely, 21013333331 is an apocalyptic number.

1013333331 is a deficient number, since it is larger than the sum of its proper divisors (419610669).

1013333331 is a wasteful number, since it uses less digits than its factorization.

1013333331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32738.

The product of its (nonzero) digits is 729, while the sum is 21.

The square root of 1013333331 is about 31832.8969935191. The cubic root of 1013333331 is about 1004.4248356182.

Adding to 1013333331 its reverse (1333333101), we get a palindrome (2346666432).

The spelling of 1013333331 in words is "one billion, thirteen million, three hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 3 17 51 619 1857 10523 31569 32099 96297 545683 1637049 19869281 59607843 337777777 1013333331