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3121301133 = 3217195232053
BaseRepresentation
bin1011101000001011…
…0100011010001101
322001112021112012200
42322002310122031
522343023114013
61233420152113
7140230423206
oct27202643215
98045245180
103121301133
111361990815
12731398639
133a9875762
142187805ad
15134054e73
hexba0b468d

3121301133 has 48 divisors (see below), whose sum is σ = 5037065280. Its totient is φ = 1850936832.

The previous prime is 3121301047. The next prime is 3121301147. The reversal of 3121301133 is 3311031213.

It is a happy number.

It is not a de Polignac number, because 3121301133 - 28 = 3121300877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121301153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1519335 + ... + 1521387.

It is an arithmetic number, because the mean of its divisors is an integer number (104938860).

Almost surely, 23121301133 is an apocalyptic number.

It is an amenable number.

3121301133 is a deficient number, since it is larger than the sum of its proper divisors (1915764147).

3121301133 is a wasteful number, since it uses less digits than its factorization.

3121301133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618 (or 2615 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 3121301133 is about 55868.6059697215. The cubic root of 3121301133 is about 1461.4318118926.

Adding to 3121301133 its reverse (3311031213), we get a palindrome (6432332346).

The spelling of 3121301133 in words is "three billion, one hundred twenty-one million, three hundred one thousand, one hundred thirty-three".

Divisors: 1 3 9 17 19 51 57 153 171 323 523 969 1569 2053 2907 4707 6159 8891 9937 18477 26673 29811 34901 39007 80019 89433 104703 117021 168929 314109 351063 506787 663119 1073719 1520361 1989357 3221157 5968071 9663471 18253223 20400661 54759669 61201983 164279007 183605949 346811237 1040433711 3121301133