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1213000131203 = 71555911137331
BaseRepresentation
bin10001101001101100011…
…100010010001010000011
311021221222001202012102022
4101221230130102022003
5124333211013144303
62325124454312055
7153431162665130
oct21515434221203
94257861665368
101213000131203
11428480a51083
1217710735862b
138a501a04333
14429d0cc9587
1521846166438
hex11a6c712283

1213000131203 has 8 divisors (see below), whose sum is σ = 1386375087360. Its totient is φ = 1039647480840.

The previous prime is 1213000131193. The next prime is 1213000131223. The reversal of 1213000131203 is 3021310003121.

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 1213000131203 - 222 = 1212995936899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213000131223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5459753 + ... + 5677578.

It is an arithmetic number, because the mean of its divisors is an integer number (173296885920).

Almost surely, 21213000131203 is an apocalyptic number.

1213000131203 is a deficient number, since it is larger than the sum of its proper divisors (173374956157).

1213000131203 is a wasteful number, since it uses less digits than its factorization.

1213000131203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11152897.

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

Adding to 1213000131203 its reverse (3021310003121), we get a palindrome (4234310134324).

The spelling of 1213000131203 in words is "one trillion, two hundred thirteen billion, one hundred thirty-one thousand, two hundred three".

Divisors: 1 7 15559 108913 11137331 77961317 173285733029 1213000131203