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3121413103 is a prime number
BaseRepresentation
bin1011101000001100…
…1111101111101111
322001112111012210201
42322003033233233
522343040204403
61233422414331
7140231400514
oct27203175757
98045435721
103121413103
111361a57956
127314313a7
133a98b4703
142187ad30b
1513407821d
hexba0cfbef

3121413103 has 2 divisors, whose sum is σ = 3121413104. Its totient is φ = 3121413102.

The previous prime is 3121413089. The next prime is 3121413131. The reversal of 3121413103 is 3013141213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3121413103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3121413193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560706551 + 1560706552.

It is an arithmetic number, because the mean of its divisors is an integer number (1560706552).

Almost surely, 23121413103 is an apocalyptic number.

3121413103 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121413103 is an equidigital number, since it uses as much as digits as its factorization.

3121413103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3121413103 is about 55869.6080440878. The cubic root of 3121413103 is about 1461.4492869302.

Adding to 3121413103 its reverse (3013141213), we get a palindrome (6134554316).

The spelling of 3121413103 in words is "three billion, one hundred twenty-one million, four hundred thirteen thousand, one hundred three".