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130301331 = 3188922993
BaseRepresentation
bin1111100010000…
…11110110010011
3100002011222211020
413301003312103
5231324120311
620532450523
73141354156
oct761036623
9302158736
10130301331
1167608356
1237779a43
1320cc29a4
141343bc9d
15b68cc06
hex7c43d93

130301331 has 8 divisors (see below), whose sum is σ = 173834640. Its totient is φ = 86817792.

The previous prime is 130301329. The next prime is 130301363. The reversal of 130301331 is 133103031.

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

It is not a de Polignac number, because 130301331 - 21 = 130301329 is a prime.

It is a super-2 number, since 2×1303013312 = 33956873720743122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130301331.

It is not an unprimeable number, because it can be changed into a prime (130301231) 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, 5830 + ... + 17163.

It is an arithmetic number, because the mean of its divisors is an integer number (21729330).

Almost surely, 2130301331 is an apocalyptic number.

130301331 is a deficient number, since it is larger than the sum of its proper divisors (43533309).

130301331 is a wasteful number, since it uses less digits than its factorization.

130301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24885.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 130301331 is about 11414.9608409315. The cubic root of 130301331 is about 506.9708054413.

Adding to 130301331 its reverse (133103031), we get a palindrome (263404362).

The spelling of 130301331 in words is "one hundred thirty million, three hundred one thousand, three hundred thirty-one".

Divisors: 1 3 1889 5667 22993 68979 43433777 130301331