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12303300331 = 71757614333
BaseRepresentation
bin10110111010101010…
…10111011011101011
31011202102211102012001
423131111113123223
5200144121102311
65352502231431
7613613220160
oct133525273353
934672742161
1012303300331
11524398a703
122474425577
131210c4988a
1484a010067
154c01d24c1
hex2dd5576eb

12303300331 has 4 divisors (see below), whose sum is σ = 14060914672. Its totient is φ = 10545685992.

The previous prime is 12303300311. The next prime is 12303300343. The reversal of 12303300331 is 13300330321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13300330321 = 34938109829.

It is a cyclic number.

It is not a de Polignac number, because 12303300331 - 27 = 12303300203 is a prime.

It is a super-2 number, since 2×123033003312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12303300299 and 12303300308.

It is not an unprimeable number, because it can be changed into a prime (12303300301) 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, 878807160 + ... + 878807173.

It is an arithmetic number, because the mean of its divisors is an integer number (3515228668).

Almost surely, 212303300331 is an apocalyptic number.

12303300331 is a deficient number, since it is larger than the sum of its proper divisors (1757614341).

12303300331 is an equidigital number, since it uses as much as digits as its factorization.

12303300331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757614340.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 12303300331 its reverse (13300330321), we get a palindrome (25603630652).

The spelling of 12303300331 in words is "twelve billion, three hundred three million, three hundred thousand, three hundred thirty-one".

Divisors: 1 7 1757614333 12303300331