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12313221003 = 3279130313291
BaseRepresentation
bin10110111011110110…
…01101011110001011
31011210010111102210100
423131323031132023
5200204141033003
65353455020443
7614063436336
oct133573153613
934703442710
1012313221003
115249546206
12247780a723
1312130112b5
1484b47361d
154c0ee1ba3
hex2ddecd78b

12313221003 has 24 divisors (see below), whose sum is σ = 18026078720. Its totient is φ = 8098075440.

The previous prime is 12313220993. The next prime is 12313221013. The reversal of 12313221003 is 30012231321.

It is an interprime number because it is at equal distance from previous prime (12313220993) and next prime (12313221013).

It is not a de Polignac number, because 12313221003 - 216 = 12313155467 is a prime.

It is a super-2 number, since 2×123132210032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12313221013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 919788 + ... + 933078.

Almost surely, 212313221003 is an apocalyptic number.

12313221003 is a deficient number, since it is larger than the sum of its proper divisors (5712857717).

12313221003 is a wasteful number, since it uses less digits than its factorization.

12313221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14679 (or 14676 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12313221003 its reverse (30012231321), we get a palindrome (42325452324).

The spelling of 12313221003 in words is "twelve billion, three hundred thirteen million, two hundred twenty-one thousand, three".

Divisors: 1 3 9 79 237 711 1303 3909 11727 13291 39873 102937 119619 308811 926433 1049989 3149967 9449901 17318173 51954519 155863557 1368135667 4104407001 12313221003