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213311130130 = 2572435328837
BaseRepresentation
bin1100011010101001010…
…1011000101000010010
3202101121000112011021001
43012222111120220102
511443330122131010
6241554353452214
721261022455400
oct3065225305022
9671530464231
10213311130130
118251263229a
123541157106a
1317165cb7a37
14a477cba470
155836d82c3a
hex31aa558a12

213311130130 has 24 divisors (see below), whose sum is σ = 446647387788. Its totient is φ = 73135244448.

The previous prime is 213311130083. The next prime is 213311130167. The reversal of 213311130130 is 31031113312.

It can be written as a sum of positive squares in 2 ways, for example, as 208486299609 + 4824830521 = 456603^2 + 69461^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213311130098 and 213311130107.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217663929 + ... + 217664908.

Almost surely, 2213311130130 is an apocalyptic number.

213311130130 is an abundant number, since it is smaller than the sum of its proper divisors (233336257658).

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

213311130130 is a wasteful number, since it uses less digits than its factorization.

213311130130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435328858 (or 435328851 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 213311130130 its reverse (31031113312), we get a palindrome (244342243442).

The spelling of 213311130130 in words is "two hundred thirteen billion, three hundred eleven million, one hundred thirty thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 435328837 870657674 2176644185 3047301859 4353288370 6094603718 15236509295 21331113013 30473018590 42662226026 106655565065 213311130130