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38631013171 is a prime number
BaseRepresentation
bin100011111110100101…
…100111101100110011
310200201021001210121121
4203332211213230303
51113104014410141
625425152403111
72535212123362
oct437645475463
9120637053547
1038631013171
1115424221a73
1275a1546497
133848571c9a
141c2684d7d9
15101171b1d1
hex8fe967b33

38631013171 has 2 divisors, whose sum is σ = 38631013172. Its totient is φ = 38631013170.

The previous prime is 38631013159. The next prime is 38631013177. The reversal of 38631013171 is 17131013683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38631013171 - 25 = 38631013139 is a prime.

It is not a weakly prime, because it can be changed into another prime (38631013177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19315506585 + 19315506586.

It is an arithmetic number, because the mean of its divisors is an integer number (19315506586).

Almost surely, 238631013171 is an apocalyptic number.

38631013171 is a deficient number, since it is larger than the sum of its proper divisors (1).

38631013171 is an equidigital number, since it uses as much as digits as its factorization.

38631013171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 38631013171 in words is "thirty-eight billion, six hundred thirty-one million, thirteen thousand, one hundred seventy-one".