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2312031023 = 21110957493
BaseRepresentation
bin1000100111001110…
…1100101100101111
312222010111100022122
42021303230230233
514213334443043
61021230503155
7111202640141
oct21163545457
95863440278
102312031023
11a87099145
12546364abb
132aacc82c3
1417d0c0c91
15d7e9b368
hex89cecb2f

2312031023 has 4 divisors (see below), whose sum is σ = 2322988728. Its totient is φ = 2301073320.

The previous prime is 2312031019. The next prime is 2312031037. The reversal of 2312031023 is 3201302132.

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

It is a cyclic number.

It is not a de Polignac number, because 2312031023 - 22 = 2312031019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312030992 and 2312031010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312031013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5478536 + ... + 5478957.

It is an arithmetic number, because the mean of its divisors is an integer number (580747182).

Almost surely, 22312031023 is an apocalyptic number.

2312031023 is a deficient number, since it is larger than the sum of its proper divisors (10957705).

2312031023 is a wasteful number, since it uses less digits than its factorization.

2312031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10957704.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2312031023 is about 48083.5837162747. The cubic root of 2312031023 is about 1322.3037179738.

Adding to 2312031023 its reverse (3201302132), we get a palindrome (5513333155).

The spelling of 2312031023 in words is "two billion, three hundred twelve million, thirty-one thousand, twenty-three".

Divisors: 1 211 10957493 2312031023