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3130303321213 = 4176348861493
BaseRepresentation
bin101101100011010100100…
…111100001010001111101
3102002020212012221211112221
4231203110213201101331
5402241330122234323
610354012543525341
7442104556132615
oct55432447412175
912066765854487
103130303321213
11aa76106885a2
124268102b9851
131992564c6133
14ab71679ba45
155665e02055d
hex2d8d49e147d

3130303321213 has 4 divisors (see below), whose sum is σ = 3206652182748. Its totient is φ = 3053954459680.

The previous prime is 3130303321199. The next prime is 3130303321237. The reversal of 3130303321213 is 3121233030313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 943847224324 + 2186456096889 = 971518^2 + 1478667^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130303321213 - 213 = 3130303313021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130303321253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38174430706 + ... + 38174430787.

It is an arithmetic number, because the mean of its divisors is an integer number (801663045687).

Almost surely, 23130303321213 is an apocalyptic number.

It is an amenable number.

3130303321213 is a deficient number, since it is larger than the sum of its proper divisors (76348861535).

3130303321213 is an equidigital number, since it uses as much as digits as its factorization.

3130303321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76348861534.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 3130303321213 its reverse (3121233030313), we get a palindrome (6251536351526).

The spelling of 3130303321213 in words is "three trillion, one hundred thirty billion, three hundred three million, three hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 41 76348861493 3130303321213