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12331331203 = 47262368749
BaseRepresentation
bin10110111110000000…
…10010111010000011
31011211101120112022111
423133000102322003
5200223310044303
65355343120151
7614403404632
oct133700227203
934741515274
1012331331203
115258795714
1224818a3057
1312169b24a9
1484da29519
154c28bcb6d
hex2df012e83

12331331203 has 4 divisors (see below), whose sum is σ = 12593700000. Its totient is φ = 12068962408.

The previous prime is 12331331141. The next prime is 12331331209. The reversal of 12331331203 is 30213313321.

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-12331331203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12331331209) 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, 131184328 + ... + 131184421.

It is an arithmetic number, because the mean of its divisors is an integer number (3148425000).

Almost surely, 212331331203 is an apocalyptic number.

12331331203 is a deficient number, since it is larger than the sum of its proper divisors (262368797).

12331331203 is an equidigital number, since it uses as much as digits as its factorization.

12331331203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262368796.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 12331331203 its reverse (30213313321), we get a palindrome (42544644524).

The spelling of 12331331203 in words is "twelve billion, three hundred thirty-one million, three hundred thirty-one thousand, two hundred three".

Divisors: 1 47 262368749 12331331203