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3143240131 = 5623558997
BaseRepresentation
bin1011101101011010…
…0000100111000011
322010001120010212011
42323112200213003
522414132141011
61235522313351
7140615046253
oct27326404703
98101503764
103143240131
111373305919
127387b8857
133b1287605
1421b651963
15135e3a621
hexbb5a09c3

3143240131 has 4 divisors (see below), whose sum is σ = 3143804752. Its totient is φ = 3142675512.

The previous prime is 3143240117. The next prime is 3143240137. The reversal of 3143240131 is 1310423413.

3143240131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3143240131 - 211 = 3143238083 is a prime.

It is a super-2 number, since 2×31432401312 = 19759917042257794322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3143240137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273876 + ... + 285121.

It is an arithmetic number, because the mean of its divisors is an integer number (785951188).

Almost surely, 23143240131 is an apocalyptic number.

3143240131 is a deficient number, since it is larger than the sum of its proper divisors (564621).

3143240131 is an equidigital number, since it uses as much as digits as its factorization.

3143240131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564620.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3143240131 is about 56064.6067586316. The cubic root of 3143240131 is about 1464.8478575594.

Adding to 3143240131 its reverse (1310423413), we get a palindrome (4453663544).

The spelling of 3143240131 in words is "three billion, one hundred forty-three million, two hundred forty thousand, one hundred thirty-one".

Divisors: 1 5623 558997 3143240131