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930347131 = 71071242119
BaseRepresentation
bin110111011100111…
…111100001111011
32101211121112100011
4313130333201323
53401132102011
6232152322351
732024551210
oct6734774173
92354545304
10930347131
1143817a62a
1221b6a33b7
1311a99067c
148b7b9b07
1556a23621
hex3773f87b

930347131 has 8 divisors (see below), whose sum is σ = 1073191680. Its totient is φ = 789987048.

The previous prime is 930347111. The next prime is 930347137. The reversal of 930347131 is 131743039.

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 930347131 - 27 = 930347003 is a prime.

It is a super-2 number, since 2×9303471312 = 1731091568319862322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 930347093 and 930347102.

It is not an unprimeable number, because it can be changed into a prime (930347137) 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, 620311 + ... + 621808.

It is an arithmetic number, because the mean of its divisors is an integer number (134148960).

Almost surely, 2930347131 is an apocalyptic number.

930347131 is a deficient number, since it is larger than the sum of its proper divisors (142844549).

930347131 is a wasteful number, since it uses less digits than its factorization.

930347131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242233.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 930347131 is about 30501.5922699127. The cubic root of 930347131 is about 976.2214386444.

The spelling of 930347131 in words is "nine hundred thirty million, three hundred forty-seven thousand, one hundred thirty-one".

Divisors: 1 7 107 749 1242119 8694833 132906733 930347131