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3031123133321 = 31215345414847
BaseRepresentation
bin101100000110111101000…
…001001000001110001001
3101201202212011221021002122
4230012331001020032021
5344130220010231241
610240251224141025
7431664025345103
oct54067501101611
911652764837078
103031123133321
11a69545a95468
1240b551007775
1318caab7b531a
14a69c8582573
1553ca6c7304b
hex2c1bd048389

3031123133321 has 8 divisors (see below), whose sum is σ = 3130354642944. Its totient is φ = 2931982457760.

The previous prime is 3031123133267. The next prime is 3031123133323. The reversal of 3031123133321 is 1233313211303.

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 3031123133321 - 218 = 3031122871177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3031123133323) 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, 22640681 + ... + 22774166.

It is an arithmetic number, because the mean of its divisors is an integer number (391294330368).

Almost surely, 23031123133321 is an apocalyptic number.

3031123133321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3031123133321 is a deficient number, since it is larger than the sum of its proper divisors (99231509623).

3031123133321 is a wasteful number, since it uses less digits than its factorization.

3031123133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45417031.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 3031123133321 its reverse (1233313211303), we get a palindrome (4264436344624).

The spelling of 3031123133321 in words is "three trillion, thirty-one billion, one hundred twenty-three million, one hundred thirty-three thousand, three hundred twenty-one".

Divisors: 1 31 2153 66743 45414847 1407860257 97778165591 3031123133321