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2331401121 = 32737006367
BaseRepresentation
bin1000101011110110…
…0101101110100001
320000110221110002200
42022331211232201
514233314313441
61023202003413
7111526403550
oct21275455641
96013843080
102331401121
11a97019195
12550946569
132b201aaba
141818c3d97
15d9a257b6
hex8af65ba1

2331401121 has 12 divisors (see below), whose sum is σ = 3848662272. Its totient is φ = 1332229176.

The previous prime is 2331401119. The next prime is 2331401123. The reversal of 2331401121 is 1211041332.

It is an interprime number because it is at equal distance from previous prime (2331401119) and next prime (2331401123).

It is not a de Polignac number, because 2331401121 - 21 = 2331401119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2331401094 and 2331401103.

It is not an unprimeable number, because it can be changed into a prime (2331401123) 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 11 ways as a sum of consecutive naturals, for example, 18503121 + ... + 18503246.

It is an arithmetic number, because the mean of its divisors is an integer number (320721856).

Almost surely, 22331401121 is an apocalyptic number.

2331401121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2331401121 is a deficient number, since it is larger than the sum of its proper divisors (1517261151).

2331401121 is a wasteful number, since it uses less digits than its factorization.

2331401121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37006380 (or 37006377 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2331401121 is about 48284.5847139644. The cubic root of 2331401121 is about 1325.9861880314.

Adding to 2331401121 its reverse (1211041332), we get a palindrome (3542442453).

The spelling of 2331401121 in words is "two billion, three hundred thirty-one million, four hundred one thousand, one hundred twenty-one".

Divisors: 1 3 7 9 21 63 37006367 111019101 259044569 333057303 777133707 2331401121