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1130202031 = 7883182851
BaseRepresentation
bin100001101011101…
…1000001110101111
32220202200012201111
41003113120032233
54303312431111
6304052052451
740002362440
oct10327301657
92822605644
101130202031
1152aa73572
12276604127
131501c68ca
14aa1612c7
156934ea21
hex435d83af

1130202031 has 8 divisors (see below), whose sum is σ = 1293129344. Its totient is φ = 967642200.

The previous prime is 1130202013. The next prime is 1130202071. The reversal of 1130202031 is 1302020311.

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

It is not a de Polignac number, because 1130202031 - 213 = 1130193839 is a prime.

It is a super-2 number, since 2×11302020312 = 2554713261753049922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130202001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85245 + ... + 97606.

It is an arithmetic number, because the mean of its divisors is an integer number (161641168).

Almost surely, 21130202031 is an apocalyptic number.

1130202031 is a deficient number, since it is larger than the sum of its proper divisors (162927313).

1130202031 is an equidigital number, since it uses as much as digits as its factorization.

1130202031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183741.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1130202031 is about 33618.4775235286. The cubic root of 1130202031 is about 1041.6425078073.

Adding to 1130202031 its reverse (1302020311), we get a palindrome (2432222342).

The spelling of 1130202031 in words is "one billion, one hundred thirty million, two hundred two thousand, thirty-one".

Divisors: 1 7 883 6181 182851 1279957 161457433 1130202031