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320311107 = 3235590123
BaseRepresentation
bin10011000101111…
…000111101000011
3211022201111020100
4103011320331003
51123444423412
651441213443
710636412424
oct2305707503
9738644210
10320311107
11154897526
128b331283
135148c9cc
143077d64b
151d1c1edc
hex13178f43

320311107 has 6 divisors (see below), whose sum is σ = 462671612. Its totient is φ = 213540732.

The previous prime is 320311091. The next prime is 320311129. The reversal of 320311107 is 701113023.

It is not a de Polignac number, because 320311107 - 24 = 320311091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320311107.

It is not an unprimeable number, because it can be changed into a prime (320311207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17795053 + ... + 17795070.

Almost surely, 2320311107 is an apocalyptic number.

320311107 is a deficient number, since it is larger than the sum of its proper divisors (142360505).

320311107 is a wasteful number, since it uses less digits than its factorization.

320311107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35590129 (or 35590126 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 320311107 is about 17897.2374125171. The cubic root of 320311107 is about 684.2119674955.

The spelling of 320311107 in words is "three hundred twenty million, three hundred eleven thousand, one hundred seven".

Divisors: 1 3 9 35590123 106770369 320311107