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2330230031 = 6833411757
BaseRepresentation
bin1000101011100100…
…0111110100001111
320000101201221122222
42022321013310033
514233014330111
61023120525555
7111513425363
oct21271076417
96011657588
102330230031
11a96399348
125504808bb
132b19caa4c
1418169b2a3
15d98937db
hex8ae47d0f

2330230031 has 4 divisors (see below), whose sum is σ = 2333642472. Its totient is φ = 2326817592.

The previous prime is 2330230003. The next prime is 2330230043. The reversal of 2330230031 is 1300320332.

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-2330230031 is a prime.

It is a super-2 number, since 2×23302300312 = 10859943994748521922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2330229991 and 2330230009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2330830031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1705196 + ... + 1706561.

It is an arithmetic number, because the mean of its divisors is an integer number (583410618).

Almost surely, 22330230031 is an apocalyptic number.

2330230031 is a deficient number, since it is larger than the sum of its proper divisors (3412441).

2330230031 is an equidigital number, since it uses as much as digits as its factorization.

2330230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412440.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 2330230031 is about 48272.4562354144. The cubic root of 2330230031 is about 1325.7641313994.

Adding to 2330230031 its reverse (1300320332), we get a palindrome (3630550363).

The spelling of 2330230031 in words is "two billion, three hundred thirty million, two hundred thirty thousand, thirty-one".

Divisors: 1 683 3411757 2330230031