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213130232310 = 23510766395711
BaseRepresentation
bin1100011001111110001…
…1010100000111110110
3202101010102010121002210
43012133203110013312
511442442314413220
6241524412314250
721253365040452
oct3063743240766
9671112117083
10213130232310
118242a507066
1235380a72986
131713768b2c8
14a45bc6b662
15582604d6e0
hex319f8d41f6

213130232310 has 32 divisors (see below), whose sum is σ = 516293056512. Its totient is φ = 56303562080.

The previous prime is 213130232299. The next prime is 213130232339. The reversal of 213130232310 is 13232031312.

It is a super-2 number, since 2×2131302323102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33194646 + ... + 33201065.

It is an arithmetic number, because the mean of its divisors is an integer number (16134158016).

Almost surely, 2213130232310 is an apocalyptic number.

213130232310 is an abundant number, since it is smaller than the sum of its proper divisors (303162824202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213130232310 is a wasteful number, since it uses less digits than its factorization.

213130232310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66395828.

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

Adding to 213130232310 its reverse (13232031312), we get a palindrome (226362263622).

It can be divided in two parts, 2131302 and 32310, that added together give a palindrome (2163612).

The spelling of 213130232310 in words is "two hundred thirteen billion, one hundred thirty million, two hundred thirty-two thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 107 214 321 535 642 1070 1605 3210 66395711 132791422 199187133 331978555 398374266 663957110 995935665 1991871330 7104341077 14208682154 21313023231 35521705385 42626046462 71043410770 106565116155 213130232310