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170016316231 is a prime number
BaseRepresentation
bin1001111001010111000…
…0110001101101000111
3121020211201200201210011
42132111300301231013
510241143134104411
6210034315411051
715166106562226
oct2362560615507
9536751621704
10170016316231
1166115861863
1228b4a153a87
131305644a868
14832bcc2cbd
154650ebec21
hex2795c31b47

170016316231 has 2 divisors, whose sum is σ = 170016316232. Its totient is φ = 170016316230.

The previous prime is 170016316121. The next prime is 170016316279. The reversal of 170016316231 is 132613610071.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 170016316231 - 29 = 170016315719 is a prime.

It is a super-2 number, since 2×1700163162312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 170016316193 and 170016316202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170016316291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85008158115 + 85008158116.

It is an arithmetic number, because the mean of its divisors is an integer number (85008158116).

Almost surely, 2170016316231 is an apocalyptic number.

170016316231 is a deficient number, since it is larger than the sum of its proper divisors (1).

170016316231 is an equidigital number, since it uses as much as digits as its factorization.

170016316231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 170016316231 in words is "one hundred seventy billion, sixteen million, three hundred sixteen thousand, two hundred thirty-one".