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20313110323 = 112337925521
BaseRepresentation
bin10010111010110000…
…010111011100110011
31221102122200220212101
4102322300113130303
5313100124012243
613155352241231
71316243405662
oct227260273463
957378626771
1020313110323
118684248490
123b2a9a0217
131bb9515c0c
14da9b0cdd9
157dd4b954d
hex4bac17733

20313110323 has 8 divisors (see below), whose sum is σ = 22254865776. Its totient is φ = 18387206400.

The previous prime is 20313110303. The next prime is 20313110329. The reversal of 20313110323 is 32301131302.

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 20313110323 - 29 = 20313109811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20313110323.

It is not an unprimeable number, because it can be changed into a prime (20313110329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3960198 + ... + 3965323.

It is an arithmetic number, because the mean of its divisors is an integer number (2781858222).

Almost surely, 220313110323 is an apocalyptic number.

20313110323 is a deficient number, since it is larger than the sum of its proper divisors (1941755453).

20313110323 is a wasteful number, since it uses less digits than its factorization.

20313110323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7925765.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20313110323 its reverse (32301131302), we get a palindrome (52614241625).

The spelling of 20313110323 in words is "twenty billion, three hundred thirteen million, one hundred ten thousand, three hundred twenty-three".

Divisors: 1 11 233 2563 7925521 87180731 1846646393 20313110323