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3103130231 = 5358549627
BaseRepresentation
bin1011100011110110…
…0000001001110111
322000021002100102022
42320331200021313
522323400131411
61231530503355
7136620112625
oct27075401167
98007070368
103103130231
1113526aa743
12727294b5b
133a5b82a46
142161b0515
15132665edb
hexb8f60277

3103130231 has 4 divisors (see below), whose sum is σ = 3161679912. Its totient is φ = 3044580552.

The previous prime is 3103130221. The next prime is 3103130243. The reversal of 3103130231 is 1320313013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3103130231 - 210 = 3103129207 is a prime.

It is a super-2 number, since 2×31031302312 = 19258834461092226722, 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 (3103130221) 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 3 ways as a sum of consecutive naturals, for example, 29274761 + ... + 29274866.

It is an arithmetic number, because the mean of its divisors is an integer number (790419978).

Almost surely, 23103130231 is an apocalyptic number.

3103130231 is a deficient number, since it is larger than the sum of its proper divisors (58549681).

3103130231 is an equidigital number, since it uses as much as digits as its factorization.

3103130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58549680.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 3103130231 is about 55705.7468399805. The cubic root of 3103130231 is about 1458.5903437431.

Adding to 3103130231 its reverse (1320313013), we get a palindrome (4423443244).

The spelling of 3103130231 in words is "three billion, one hundred three million, one hundred thirty thousand, two hundred thirty-one".

Divisors: 1 53 58549627 3103130231