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1121230313 = 71193134263
BaseRepresentation
bin100001011010100…
…1001110111101001
32220010210101211122
41002311021313221
54244013332223
6303131505025
736533205020
oct10265116751
92803711748
101121230313
115259a5a25
122735b8175
1314b3a50b8
14a8ca78b7
156867b5c8
hex42d49de9

1121230313 has 8 divisors (see below), whose sum is σ = 1282489728. Its totient is φ = 960241824.

The previous prime is 1121230273. The next prime is 1121230339. The reversal of 1121230313 is 3130321211.

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 1121230313 - 216 = 1121164777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121230291 and 1121230300.

It is not an unprimeable number, because it can be changed into a prime (1121230373) 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, 58781 + ... + 75482.

It is an arithmetic number, because the mean of its divisors is an integer number (160311216).

Almost surely, 21121230313 is an apocalyptic number.

It is an amenable number.

1121230313 is a deficient number, since it is larger than the sum of its proper divisors (161259415).

1121230313 is a wasteful number, since it uses less digits than its factorization.

1121230313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135463.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1121230313 is about 33484.7773323939. Note that the first 3 decimals coincide. The cubic root of 1121230313 is about 1038.8789427047.

Adding to 1121230313 its reverse (3130321211), we get a palindrome (4251551524).

The spelling of 1121230313 in words is "one billion, one hundred twenty-one million, two hundred thirty thousand, three hundred thirteen".

Divisors: 1 7 1193 8351 134263 939841 160175759 1121230313