Search a number
-
+
130310131121 = 413178295881
BaseRepresentation
bin111100101011100010…
…1101100110110110001
3110110100112111112112122
41321113011230312301
54113333343143441
6135510314204025
712262130560502
oct1712705546661
9413315445478
10130310131121
115029a743245
1221308723615
13c39920ba81
146442758ba9
1535ca1c434b
hex1e5716cdb1

130310131121 has 4 divisors (see below), whose sum is σ = 133488427044. Its totient is φ = 127131835200.

The previous prime is 130310131111. The next prime is 130310131123. The reversal of 130310131121 is 121131013031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22630990096 + 107679141025 = 150436^2 + 328145^2 .

It is a cyclic number.

It is not a de Polignac number, because 130310131121 - 226 = 130243022257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130310131121.

It is not an unprimeable number, because it can be changed into a prime (130310131123) 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, 1589147900 + ... + 1589147981.

It is an arithmetic number, because the mean of its divisors is an integer number (33372106761).

Almost surely, 2130310131121 is an apocalyptic number.

It is an amenable number.

130310131121 is a deficient number, since it is larger than the sum of its proper divisors (3178295923).

130310131121 is an equidigital number, since it uses as much as digits as its factorization.

130310131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178295922.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 130310131121 its reverse (121131013031), we get a palindrome (251441144152).

The spelling of 130310131121 in words is "one hundred thirty billion, three hundred ten million, one hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 41 3178295881 130310131121