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130223131233 = 313231011437389
BaseRepresentation
bin111100101000111100…
…1110100101001100001
3110110010110210111010120
41321101321310221201
54113144110144413
6135453525350453
712260023231506
oct1712171645141
9413113714116
10130223131233
1150255620a08
12212a3568429
13c38419a550
146434d8d4ad
1535c273b723
hex1e51e74a61

130223131233 has 32 divisors (see below), whose sum is σ = 197048920320. Its totient is φ = 75894086400.

The previous prime is 130223131211. The next prime is 130223131237. The reversal of 130223131233 is 332131322031.

It is not a de Polignac number, because 130223131233 - 220 = 130222082657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130223131237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 628098 + ... + 809291.

It is an arithmetic number, because the mean of its divisors is an integer number (6157778760).

Almost surely, 2130223131233 is an apocalyptic number.

130223131233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

130223131233 is a deficient number, since it is larger than the sum of its proper divisors (66825789087).

130223131233 is a wasteful number, since it uses less digits than its factorization.

130223131233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437529.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 130223131233 its reverse (332131322031), we get a palindrome (462354453264).

The spelling of 130223131233 in words is "one hundred thirty billion, two hundred twenty-three million, one hundred thirty-one thousand, two hundred thirty-three".

Divisors: 1 3 13 23 39 69 101 299 303 897 1313 2323 3939 6969 30199 90597 1437389 4312167 18686057 33059947 56058171 99179841 145176289 429779311 435528867 1289337933 1887291757 3339054647 5661875271 10017163941 43407710411 130223131233