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163002031 is a prime number
BaseRepresentation
bin10011011011100…
…11011010101111
3102100201100202021
421231303122233
5313212031111
624101411011
74016331403
oct1155633257
9370640667
10163002031
1184012925
1246709a67
1327a0200a
1417911103
15e49bd71
hex9b736af

163002031 has 2 divisors, whose sum is σ = 163002032. Its totient is φ = 163002030.

The previous prime is 163002023. The next prime is 163002067. The reversal of 163002031 is 130200361.

It is a weak prime.

It is an emirp because it is prime and its reverse (130200361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163002031 - 23 = 163002023 is a prime.

It is a super-2 number, since 2×1630020312 = 53139324220249922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163001996 and 163002014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163003031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81501015 + 81501016.

It is an arithmetic number, because the mean of its divisors is an integer number (81501016).

Almost surely, 2163002031 is an apocalyptic number.

163002031 is a deficient number, since it is larger than the sum of its proper divisors (1).

163002031 is an equidigital number, since it uses as much as digits as its factorization.

163002031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 163002031 is about 12767.2248746546. The cubic root of 163002031 is about 546.2578259225.

Adding to 163002031 its reverse (130200361), we get a palindrome (293202392).

The spelling of 163002031 in words is "one hundred sixty-three million, two thousand, thirty-one".