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1323122131 = 19121132831
BaseRepresentation
bin100111011011101…
…0011110111010011
310102012200120100101
41032313103313103
510202204402011
6335143033231
744534231632
oct11667236723
93365616311
101323122131
11619960271
1230b13b817
13181172506
14c7a1d519
157b25b2c1
hex4edd3dd3

1323122131 has 8 divisors (see below), whose sum is σ = 1336393728. Its totient is φ = 1309917000.

The previous prime is 1323122123. The next prime is 1323122137. The reversal of 1323122131 is 1312213231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323122131 - 23 = 1323122123 is a prime.

It is a super-2 number, since 2×13231221312 = 3501304347083962322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323122099 and 1323122108.

It is not an unprimeable number, because it can be changed into a prime (1323122137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23886 + ... + 56716.

It is an arithmetic number, because the mean of its divisors is an integer number (167049216).

Almost surely, 21323122131 is an apocalyptic number.

1323122131 is a deficient number, since it is larger than the sum of its proper divisors (13271597).

1323122131 is a wasteful number, since it uses less digits than its factorization.

1323122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33233.

The product of its digits is 216, while the sum is 19.

The square root of 1323122131 is about 36374.7457860533. The cubic root of 1323122131 is about 1097.8254923655.

Adding to 1323122131 its reverse (1312213231), we get a palindrome (2635335362).

The spelling of 1323122131 in words is "one billion, three hundred twenty-three million, one hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 191 211 32831 40301 6270721 6927341 1323122131