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3143420331 = 31986152757
BaseRepresentation
bin1011101101011100…
…1100100110101011
322010001220022001020
42323113030212223
522414203422311
61235530223523
7140616426522
oct27327144653
98101808036
103143420331
111373419247
12738884ba3
133b131b63c
1421b69b4b9
15135e73c06
hexbb5cc9ab

3143420331 has 8 divisors (see below), whose sum is σ = 4191517584. Its totient is φ = 2095468320.

The previous prime is 3143420323. The next prime is 3143420333. The reversal of 3143420331 is 1330243413.

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

It is not a de Polignac number, because 3143420331 - 23 = 3143420323 is a prime.

It is a super-2 number, since 2×31434203312 = 19762182754688299122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3143420333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33205 + ... + 85961.

It is an arithmetic number, because the mean of its divisors is an integer number (523939698).

Almost surely, 23143420331 is an apocalyptic number.

3143420331 is a deficient number, since it is larger than the sum of its proper divisors (1048097253).

3143420331 is a wasteful number, since it uses less digits than its factorization.

3143420331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72621.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 3143420331 is about 56066.2138101014. The cubic root of 3143420331 is about 1464.8758499630.

Adding to 3143420331 its reverse (1330243413), we get a palindrome (4473663744).

The spelling of 3143420331 in words is "three billion, one hundred forty-three million, four hundred twenty thousand, three hundred thirty-one".

Divisors: 1 3 19861 52757 59583 158271 1047806777 3143420331