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130223307 = 3431009483
BaseRepresentation
bin1111100001100…
…00110011001011
3100002001000210110
413300300303023
5231314121212
620531045403
73140610534
oct760606313
9302030713
10130223307
1167564775
1237740863
1320c96316
141341b68b
15b674a3c
hex7c30ccb

130223307 has 8 divisors (see below), whose sum is σ = 177669184. Its totient is φ = 84796488.

The previous prime is 130223297. The next prime is 130223329. The reversal of 130223307 is 703322031.

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

It is not a de Polignac number, because 130223307 - 26 = 130223243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130223377) 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, 504613 + ... + 504870.

It is an arithmetic number, because the mean of its divisors is an integer number (22208648).

Almost surely, 2130223307 is an apocalyptic number.

130223307 is a deficient number, since it is larger than the sum of its proper divisors (47445877).

130223307 is a wasteful number, since it uses less digits than its factorization.

130223307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009529.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 130223307 is about 11411.5427090293. The cubic root of 130223307 is about 506.8695944310.

Adding to 130223307 its reverse (703322031), we get a palindrome (833545338).

The spelling of 130223307 in words is "one hundred thirty million, two hundred twenty-three thousand, three hundred seven".

Divisors: 1 3 43 129 1009483 3028449 43407769 130223307