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3230031023 = 9157352739
BaseRepresentation
bin1100000010000110…
…0101110010101111
322100002212120120122
43000201211302233
523103341443043
61252302435155
7143020545032
oct30041456257
98302776518
103230031023
1114082a512a
12761892abb
133c625497b
14228da5019
1513d881368
hexc0865caf

3230031023 has 4 divisors (see below), whose sum is σ = 3230392920. Its totient is φ = 3229669128.

The previous prime is 3230030941. The next prime is 3230031041. The reversal of 3230031023 is 3201300323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3201300323 = 13246253871.

It is a cyclic number.

It is not a de Polignac number, because 3230031023 - 214 = 3230014639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3230030992 and 3230031010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230031083) 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, 167213 + ... + 185526.

It is an arithmetic number, because the mean of its divisors is an integer number (807598230).

Almost surely, 23230031023 is an apocalyptic number.

3230031023 is a deficient number, since it is larger than the sum of its proper divisors (361897).

3230031023 is an equidigital number, since it uses as much as digits as its factorization.

3230031023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361896.

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

The square root of 3230031023 is about 56833.3618836683. The cubic root of 3230031023 is about 1478.2080550917.

Adding to 3230031023 its reverse (3201300323), we get a palindrome (6431331346).

The spelling of 3230031023 in words is "three billion, two hundred thirty million, thirty-one thousand, twenty-three".

Divisors: 1 9157 352739 3230031023