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130312230213 = 31118121816881
BaseRepresentation
bin111100101011100110…
…1101101010101000101
3110110100200110011221210
41321113031231111011
54113334412331323
6135510431202033
712262154452344
oct1712715552505
9413320404853
10130312230213
11502a0947330
1221309376319
13c399795339
146442b43b5b
1535ca48b293
hex1e5736d545

130312230213 has 16 divisors (see below), whose sum is σ = 190592281152. Its totient is φ = 78540768000.

The previous prime is 130312230193. The next prime is 130312230241. The reversal of 130312230213 is 312032213031.

It is not a de Polignac number, because 130312230213 - 210 = 130312229189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130312230213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130312230263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10902468 + ... + 10914413.

It is an arithmetic number, because the mean of its divisors is an integer number (11912017572).

Almost surely, 2130312230213 is an apocalyptic number.

It is an amenable number.

130312230213 is a deficient number, since it is larger than the sum of its proper divisors (60280050939).

130312230213 is a wasteful number, since it uses less digits than its factorization.

130312230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21817076.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 130312230213 its reverse (312032213031), we get a palindrome (442344443244).

The spelling of 130312230213 in words is "one hundred thirty billion, three hundred twelve million, two hundred thirty thousand, two hundred thirteen".

Divisors: 1 3 11 33 181 543 1991 5973 21816881 65450643 239985691 719957073 3948855461 11846566383 43437410071 130312230213