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31608601063 = 1314767164653
BaseRepresentation
bin11101011100000001…
…001111100111100111
310000120212011022012021
4131130001033213213
51004213300213223
622304254004011
72166201450604
oct353401174747
9100525138167
1031608601063
111245025a8a6
1261617a6607
132c9971ca50
14175bd3b6ab
15c4ee7665d
hex75c04f9e7

31608601063 has 8 divisors (see below), whose sum is σ = 34042543808. Its totient is φ = 29175017184.

The previous prime is 31608601051. The next prime is 31608601081. The reversal of 31608601063 is 36010680613.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31608601063 is a prime.

It is a super-2 number, since 2×316086010632 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31608601043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109645 + ... + 274297.

It is an arithmetic number, because the mean of its divisors is an integer number (4255317976).

Almost surely, 231608601063 is an apocalyptic number.

31608601063 is a deficient number, since it is larger than the sum of its proper divisors (2433942745).

31608601063 is a wasteful number, since it uses less digits than its factorization.

31608601063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179433.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 31608601063 in words is "thirty-one billion, six hundred eight million, six hundred one thousand, sixty-three".

Divisors: 1 13 14767 164653 191971 2140489 2431430851 31608601063