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2331020023 = 6138213443
BaseRepresentation
bin1000101011110000…
…1000101011110111
320000110020002022221
42022330020223313
514233220120043
61023145503211
7111523225513
oct21274105367
96013202287
102331020023
11a96888932
125507a1b07
132b1c164b7
14181825143
15d999c8ed
hex8af08af7

2331020023 has 4 divisors (see below), whose sum is σ = 2369233528. Its totient is φ = 2292806520.

The previous prime is 2331020009. The next prime is 2331020101. The reversal of 2331020023 is 3200201332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2331020023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2331019979 and 2331020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331020323) 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 3 ways as a sum of consecutive naturals, for example, 19106661 + ... + 19106782.

It is an arithmetic number, because the mean of its divisors is an integer number (592308382).

Almost surely, 22331020023 is an apocalyptic number.

2331020023 is a deficient number, since it is larger than the sum of its proper divisors (38213505).

2331020023 is an equidigital number, since it uses as much as digits as its factorization.

2331020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38213504.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2331020023 is about 48280.6381792950. The cubic root of 2331020023 is about 1325.9139341670.

Adding to 2331020023 its reverse (3200201332), we get a palindrome (5531221355).

The spelling of 2331020023 in words is "two billion, three hundred thirty-one million, twenty thousand, twenty-three".

Divisors: 1 61 38213443 2331020023