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2331131201 = 7674970429
BaseRepresentation
bin1000101011110010…
…0011110101000001
320000110102201211122
42022330203311001
514233232144301
61023152122025
7111524200610
oct21274436501
96013381748
102331131201
11a96954413
12550836315
132b1c54c99
14181853877
15d99c081b
hex8af23d41

2331131201 has 8 divisors (see below), whose sum is σ = 2703913920. Its totient is φ = 1968289488.

The previous prime is 2331131197. The next prime is 2331131203. The reversal of 2331131201 is 1021311332.

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 2331131201 - 22 = 2331131197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2331131201.

It is not an unprimeable number, because it can be changed into a prime (2331131203) 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, 2484746 + ... + 2485683.

It is an arithmetic number, because the mean of its divisors is an integer number (337989240).

Almost surely, 22331131201 is an apocalyptic number.

It is an amenable number.

2331131201 is a deficient number, since it is larger than the sum of its proper divisors (372782719).

2331131201 is an equidigital number, since it uses as much as digits as its factorization.

2331131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970503.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2331131201 is about 48281.7895380857. The cubic root of 2331131201 is about 1325.9350136536.

Adding to 2331131201 its reverse (1021311332), we get a palindrome (3352442533).

It can be divided in two parts, 2331131 and 201, that added together give a palindrome (2331332).

The spelling of 2331131201 in words is "two billion, three hundred thirty-one million, one hundred thirty-one thousand, two hundred one".

Divisors: 1 7 67 469 4970429 34793003 333018743 2331131201