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3133212123 = 31044404041
BaseRepresentation
bin1011101011000001…
…0000010111011011
322002100200200000110
42322300100113123
522404100241443
61234523335403
7140433602136
oct27260202733
98070620013
103133212123
111368686708
12735381563
133ac186092
1421a1a121d
15135109233
hexbac105db

3133212123 has 4 divisors (see below), whose sum is σ = 4177616168. Its totient is φ = 2088808080.

The previous prime is 3133212109. The next prime is 3133212139. The reversal of 3133212123 is 3212123313.

3133212123 is digitally balanced in base 2 and base 4, because in such bases 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 not a de Polignac number, because 3133212123 - 212 = 3133208027 is a prime.

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 3133212123.

It is not an unprimeable number, because it can be changed into a prime (3133212223) 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, 522202018 + ... + 522202023.

It is an arithmetic number, because the mean of its divisors is an integer number (1044404042).

Almost surely, 23133212123 is an apocalyptic number.

3133212123 is a deficient number, since it is larger than the sum of its proper divisors (1044404045).

3133212123 is a wasteful number, since it uses less digits than its factorization.

3133212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044404044.

The product of its digits is 648, while the sum is 21.

The square root of 3133212123 is about 55975.1027064712. The cubic root of 3133212123 is about 1463.2884099109.

Adding to 3133212123 its reverse (3212123313), we get a palindrome (6345335436).

The spelling of 3133212123 in words is "three billion, one hundred thirty-three million, two hundred twelve thousand, one hundred twenty-three".

Divisors: 1 3 1044404041 3133212123