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12330023131 = 170920873457
BaseRepresentation
bin10110111101110110…
…10011100011011011
31011211022010001222101
423132323103203123
5200222441220011
65355255104231
7614356316206
oct133673234333
934738101871
1012330023131
115257a81968
122481372077
131216644c9a
1484d7a893d
154c27102c1
hex2deed38db

12330023131 has 8 divisors (see below), whose sum is σ = 12346719840. Its totient is φ = 12313340928.

The previous prime is 12330023129. The next prime is 12330023179. The reversal of 12330023131 is 13132003321.

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 12330023131 - 21 = 12330023129 is a prime.

It is a super-2 number, since 2×123300231312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12330023099 and 12330023108.

It is not an unprimeable number, because it can be changed into a prime (12334023131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3564955 + ... + 3568411.

It is an arithmetic number, because the mean of its divisors is an integer number (1543339980).

Almost surely, 212330023131 is an apocalyptic number.

12330023131 is a deficient number, since it is larger than the sum of its proper divisors (16696709).

12330023131 is a wasteful number, since it uses less digits than its factorization.

12330023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7253.

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

Adding to 12330023131 its reverse (13132003321), we get a palindrome (25462026452).

The spelling of 12330023131 in words is "twelve billion, three hundred thirty million, twenty-three thousand, one hundred thirty-one".

Divisors: 1 1709 2087 3457 3566683 5908013 7214759 12330023131