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103231121333 = 138174750993
BaseRepresentation
bin110000000100100001…
…1011110011110110101
3100212110100120022110012
41200021003132132311
53142404131340313
6115231305110005
710313110024214
oct1401103363665
9325410508405
10103231121333
113a86430540a
121800ba88305
139972056762
144dd422b07b
152a42c33da8
hex18090de7b5

103231121333 has 4 divisors (see below), whose sum is σ = 103305873708. Its totient is φ = 103156368960.

The previous prime is 103231121321. The next prime is 103231121377. The reversal of 103231121333 is 333121132301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16124682289 + 87106439044 = 126983^2 + 295138^2 .

It is a cyclic number.

It is not a de Polignac number, because 103231121333 - 218 = 103230859189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103231121299 and 103231121308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103231121033) 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, 37374116 + ... + 37376877.

It is an arithmetic number, because the mean of its divisors is an integer number (25826468427).

Almost surely, 2103231121333 is an apocalyptic number.

It is an amenable number.

103231121333 is a deficient number, since it is larger than the sum of its proper divisors (74752375).

103231121333 is an equidigital number, since it uses as much as digits as its factorization.

103231121333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74752374.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 103231121333 its reverse (333121132301), we get a palindrome (436352253634).

The spelling of 103231121333 in words is "one hundred three billion, two hundred thirty-one million, one hundred twenty-one thousand, three hundred thirty-three".

Divisors: 1 1381 74750993 103231121333