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30100132313 = 297121145757
BaseRepresentation
bin11100000010000110…
…111001000111011001
32212200201201011002022
4130002012321013121
5443121113213223
621454450144225
72113623621536
oct340206710731
985621634068
1030100132313
1111846815a09
125a00582075
132ab9053ba4
141657871d8d
15bb2807ac8
hex7021b91d9

30100132313 has 8 divisors (see below), whose sum is σ = 31142654280. Its totient is φ = 29057916160.

The previous prime is 30100132273. The next prime is 30100132331. The reversal of 30100132313 is 31323100103.

It can be written as a sum of positive squares in 4 ways, for example, as 3727346704 + 26372785609 = 61052^2 + 162397^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30100132313 - 28 = 30100132057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30100132291 and 30100132300.

It is not an unprimeable number, because it can be changed into a prime (30100132333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133631 + ... + 279387.

It is an arithmetic number, because the mean of its divisors is an integer number (3892831785).

Almost surely, 230100132313 is an apocalyptic number.

It is an amenable number.

30100132313 is a deficient number, since it is larger than the sum of its proper divisors (1042521967).

30100132313 is a wasteful number, since it uses less digits than its factorization.

30100132313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152907.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30100132313 its reverse (31323100103), we get a palindrome (61423232416).

The spelling of 30100132313 in words is "thirty billion, one hundred million, one hundred thirty-two thousand, three hundred thirteen".

Divisors: 1 29 7121 145757 206509 4226953 1037935597 30100132313