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30131331130 = 253013133113
BaseRepresentation
bin11100000011111101…
…111010000000111010
32212202220102012211001
4130003331322000322
5443202110044010
621501522555214
72114453042305
oct340375720072
985686365731
1030131331130
111186239505a
125a0ab08b0a
132ac2658724
14165ba73b3c
15bb541bc3a
hex703f7a03a

30131331130 has 8 divisors (see below), whose sum is σ = 54236396052. Its totient is φ = 12052532448.

The previous prime is 30131331119. The next prime is 30131331143. The reversal of 30131331130 is 3113313103.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28162545489 + 1968785641 = 167817^2 + 44371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30131331098 and 30131331107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506566547 + ... + 1506566566.

Almost surely, 230131331130 is an apocalyptic number.

30131331130 is a deficient number, since it is larger than the sum of its proper divisors (24105064922).

30131331130 is a wasteful number, since it uses less digits than its factorization.

30131331130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013133120.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 30131331130 its reverse (3113313103), we get a palindrome (33244644233).

The spelling of 30131331130 in words is "thirty billion, one hundred thirty-one million, three hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 3013133113 6026266226 15065665565 30131331130