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1230030313 = 14922337019
BaseRepresentation
bin100100101010000…
…1100010111101001
310011201112000101021
41021110030113221
510004341432223
6322015452441
742324041131
oct11124142751
93151460337
101230030313
11581357a86
122a3b27121
13167aaa1b5
14b9509ac1
1572ebd65d
hex4950c5e9

1230030313 has 8 divisors (see below), whose sum is σ = 1243872000. Its totient is φ = 1216263408.

The previous prime is 1230030301. The next prime is 1230030337. The reversal of 1230030313 is 3130300321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-1230030313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230030353) 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, 14718 + ... + 51736.

It is an arithmetic number, because the mean of its divisors is an integer number (155484000).

Almost surely, 21230030313 is an apocalyptic number.

It is an amenable number.

1230030313 is a deficient number, since it is larger than the sum of its proper divisors (13841687).

1230030313 is a wasteful number, since it uses less digits than its factorization.

1230030313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37391.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1230030313 is about 35071.7879926302. The cubic root of 1230030313 is about 1071.4500714069.

Adding to 1230030313 its reverse (3130300321), we get a palindrome (4360330634).

The spelling of 1230030313 in words is "one billion, two hundred thirty million, thirty thousand, three hundred thirteen".

Divisors: 1 149 223 33227 37019 5515831 8255237 1230030313