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70313203 is a prime number
BaseRepresentation
bin1000011000011…
…10010011110011
311220022021120201
410030032103303
5121000010303
610551020031
71512436522
oct414162363
9156267521
1070313203
1136765394
121b66a617
131174b25c
1494a44b9
15628d81d
hex430e4f3

70313203 has 2 divisors, whose sum is σ = 70313204. Its totient is φ = 70313202.

The previous prime is 70313189. The next prime is 70313219. The reversal of 70313203 is 30231307.

It is a weak prime.

It is an emirp because it is prime and its reverse (30231307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70313203 - 25 = 70313171 is a prime.

It is a super-2 number, since 2×703132032 = 9887893032238418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70313273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35156601 + 35156602.

It is an arithmetic number, because the mean of its divisors is an integer number (35156602).

Almost surely, 270313203 is an apocalyptic number.

70313203 is a deficient number, since it is larger than the sum of its proper divisors (1).

70313203 is an equidigital number, since it uses as much as digits as its factorization.

70313203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 70313203 is about 8385.2968343405. The cubic root of 70313203 is about 412.7422816657.

The spelling of 70313203 in words is "seventy million, three hundred thirteen thousand, two hundred three".