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30031122313 is a prime number
BaseRepresentation
bin11011111101111111…
…101000111110001001
32212111220212002011101
4123331333220332021
5443000431403223
621443543101401
72112125220313
oct337577507611
985456762141
1030031122313
1111810870755
1259a1441861
132aa7970b7a
14164c62a7b3
15bab7254ad
hex6fdfe8f89

30031122313 has 2 divisors, whose sum is σ = 30031122314. Its totient is φ = 30031122312.

The previous prime is 30031122283. The next prime is 30031122361. The reversal of 30031122313 is 31322113003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28638115984 + 1393006329 = 169228^2 + 37323^2 .

It is a cyclic number.

It is not a de Polignac number, because 30031122313 - 25 = 30031122281 is a prime.

It is not a weakly prime, because it can be changed into another prime (30031122383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015561156 + 15015561157.

It is an arithmetic number, because the mean of its divisors is an integer number (15015561157).

Almost surely, 230031122313 is an apocalyptic number.

It is an amenable number.

30031122313 is a deficient number, since it is larger than the sum of its proper divisors (1).

30031122313 is an equidigital number, since it uses as much as digits as its factorization.

30031122313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30031122313 its reverse (31322113003), we get a palindrome (61353235316).

It can be divided in two parts, 300311 and 22313, that added together give a square (322624 = 5682).

The spelling of 30031122313 in words is "thirty billion, thirty-one million, one hundred twenty-two thousand, three hundred thirteen".