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31604332337 = 149383553811
BaseRepresentation
bin11101011011110000…
…111101011100110001
310000120120010102121022
4131123300331130301
51004211202113322
622304022305225
72166120251414
oct353360753461
9100516112538
1031604332337
1112448904726
126160288215
132c98886a86
14175b549b7b
15c4e8d1942
hex75bc3d731

31604332337 has 8 divisors (see below), whose sum is σ = 31899571200. Its totient is φ = 31310202160.

The previous prime is 31604332297. The next prime is 31604332381. The reversal of 31604332337 is 73323340613.

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-31604332337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31604332297 and 31604332306.

It is not an unprimeable number, because it can be changed into a prime (31604335337) 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, 219839 + ... + 333972.

It is an arithmetic number, because the mean of its divisors is an integer number (3987446400).

Almost surely, 231604332337 is an apocalyptic number.

It is an amenable number.

31604332337 is a deficient number, since it is larger than the sum of its proper divisors (295238863).

31604332337 is a wasteful number, since it uses less digits than its factorization.

31604332337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554343.

The product of its (nonzero) digits is 81648, while the sum is 35.

The spelling of 31604332337 in words is "thirty-one billion, six hundred four million, three hundred thirty-two thousand, three hundred thirty-seven".

Divisors: 1 149 383 57067 553811 82517839 212109613 31604332337