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31606714047 = 322074773707
BaseRepresentation
bin11101011011111010…
…000010111010111111
310000120201121102200210
4131123322002322333
51004212304322142
622304145323503
72166146431236
oct353372027277
9100521542623
1031606714047
111244a191087
126161036593
132c9920bb7c
14175b9a9b1d
15c4ec0249c
hex75be82ebf

31606714047 has 8 divisors (see below), whose sum is σ = 42161389056. Its totient is φ = 21061590872.

The previous prime is 31606714001. The next prime is 31606714049. The reversal of 31606714047 is 74041760613.

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

It is a cyclic number.

It is not a de Polignac number, because 31606714047 - 28 = 31606713791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31606713996 and 31606714014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31606714049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2380233 + ... + 2393474.

It is an arithmetic number, because the mean of its divisors is an integer number (5270173632).

Almost surely, 231606714047 is an apocalyptic number.

31606714047 is a deficient number, since it is larger than the sum of its proper divisors (10554675009).

31606714047 is a wasteful number, since it uses less digits than its factorization.

31606714047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775917.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 31606714047 in words is "thirty-one billion, six hundred six million, seven hundred fourteen thousand, forty-seven".

Divisors: 1 3 2207 6621 4773707 14321121 10535571349 31606714047