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231300003 = 31153132247
BaseRepresentation
bin11011100100101…
…01101110100011
3121010020020221210
431302111232203
5433203100003
634541321203
75506006014
oct1562255643
9533206853
10231300003
11109621130
1265566203
1338bc5c0c
1422a0d00b
151548d503
hexdc95ba3

231300003 has 16 divisors (see below), whose sum is σ = 342786816. Its totient is φ = 137535840.

The previous prime is 231299953. The next prime is 231300049. The reversal of 231300003 is 300003132.

It is a happy number.

It is not a de Polignac number, because 231300003 - 213 = 231291811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231300103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64375 + ... + 67872.

It is an arithmetic number, because the mean of its divisors is an integer number (21424176).

Almost surely, 2231300003 is an apocalyptic number.

231300003 is a deficient number, since it is larger than the sum of its proper divisors (111486813).

231300003 is a wasteful number, since it uses less digits than its factorization.

231300003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132314.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 231300003 is about 15208.5503253926. The cubic root of 231300003 is about 613.8447504368.

Adding to 231300003 its reverse (300003132), we get a palindrome (531303135).

The spelling of 231300003 in words is "two hundred thirty-one million, three hundred thousand, three".

Divisors: 1 3 11 33 53 159 583 1749 132247 396741 1454717 4364151 7009091 21027273 77100001 231300003