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3143332431 = 321918382061
BaseRepresentation
bin1011101101011011…
…0111001001001111
322010001201211110200
42323112313021033
522414143114211
61235524304543
7140615612331
oct27326671117
98101654420
103143332431
1113733691a8
12738842153
133b12ba625
1421b677451
15135e57b56
hexbb5b724f

3143332431 has 12 divisors (see below), whose sum is σ = 4779336120. Its totient is φ = 1985262480.

The previous prime is 3143332429. The next prime is 3143332441. The reversal of 3143332431 is 1342333413.

It is not a de Polignac number, because 3143332431 - 21 = 3143332429 is a prime.

It is a super-2 number, since 2×31433324312 = 19761077543552739522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3143332395 and 3143332404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143332441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9190860 + ... + 9191201.

It is an arithmetic number, because the mean of its divisors is an integer number (398278010).

Almost surely, 23143332431 is an apocalyptic number.

3143332431 is a deficient number, since it is larger than the sum of its proper divisors (1636003689).

3143332431 is a wasteful number, since it uses less digits than its factorization.

3143332431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18382086 (or 18382083 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 3143332431 is about 56065.4299100613. The cubic root of 3143332431 is about 1464.8621956445.

Adding to 3143332431 its reverse (1342333413), we get a palindrome (4485665844).

The spelling of 3143332431 in words is "three billion, one hundred forty-three million, three hundred thirty-two thousand, four hundred thirty-one".

Divisors: 1 3 9 19 57 171 18382061 55146183 165438549 349259159 1047777477 3143332431