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1123000331 = 1797681019
BaseRepresentation
bin100001011101111…
…1010000000001011
32220021010022211212
41002323322000023
54244442002311
6303233443335
736554226305
oct10273720013
92807108755
101123000331
115269a4852
1227411054b
1314b87494b
14a9208975
15688cac8b
hex42efa00b

1123000331 has 8 divisors (see below), whose sum is σ = 1201319280. Its totient is φ = 1046043648.

The previous prime is 1123000313. The next prime is 1123000337. The reversal of 1123000331 is 1330003211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123000331 - 218 = 1122738187 is a prime.

It is a super-3 number, since 3×11230003313 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1123000337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338861 + ... + 342158.

It is an arithmetic number, because the mean of its divisors is an integer number (150164910).

Almost surely, 21123000331 is an apocalyptic number.

1123000331 is a deficient number, since it is larger than the sum of its proper divisors (78318949).

1123000331 is an equidigital number, since it uses as much as digits as its factorization.

1123000331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681133.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1123000331 is about 33511.1970988802. The cubic root of 1123000331 is about 1039.4253269269.

Adding to 1123000331 its reverse (1330003211), we get a palindrome (2453003542).

The spelling of 1123000331 in words is "one billion, one hundred twenty-three million, three hundred thirty-one", and thus it is an aban number.

Divisors: 1 17 97 1649 681019 11577323 66058843 1123000331