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3442143331 = 11312922121
BaseRepresentation
bin1100110100101010…
…1111000001100011
322212212222222222001
43031022233001203
524022142041311
61325321024431
7151204510204
oct31512570143
98785888861
103442143331
111507000260
12800925117
1342b190103
1424921b5ab
151522ce4c1
hexcd2af063

3442143331 has 4 divisors (see below), whose sum is σ = 3755065464. Its totient is φ = 3129221200.

The previous prime is 3442143307. The next prime is 3442143343. The reversal of 3442143331 is 1333412443.

3442143331 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, and also an emirpimes, since its reverse is a distinct semiprime: 1333412443 = 11121219313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3442143331 is a prime.

It is a super-2 number, since 2×34421433312 = 23696701422295551122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3442143331.

It is not an unprimeable number, because it can be changed into a prime (3442143631) 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, 156461050 + ... + 156461071.

It is an arithmetic number, because the mean of its divisors is an integer number (938766366).

Almost surely, 23442143331 is an apocalyptic number.

3442143331 is a deficient number, since it is larger than the sum of its proper divisors (312922133).

3442143331 is a wasteful number, since it uses less digits than its factorization.

3442143331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312922132.

The product of its digits is 10368, while the sum is 28.

The square root of 3442143331 is about 58669.7820943627. The cubic root of 3442143331 is about 1509.8819156814.

Adding to 3442143331 its reverse (1333412443), we get a palindrome (4775555774).

The spelling of 3442143331 in words is "three billion, four hundred forty-two million, one hundred forty-three thousand, three hundred thirty-one".

Divisors: 1 11 312922121 3442143331