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3121020330233 = 131912635709839
BaseRepresentation
bin101101011010101011010…
…011101110000011111001
3102001100220021101000220012
4231122223103232003321
5402113322201031413
610345435453111305
7441325536043151
oct55325323560371
912040807330805
103121020330233
11aa3687680023
12424a5b488535
13198407221c70
14ab0b595d761
15562b90947a8
hex2d6ab4ee0f9

3121020330233 has 8 divisors (see below), whose sum is σ = 3537998755200. Its totient is φ = 2729313325008.

The previous prime is 3121020330227. The next prime is 3121020330257. The reversal of 3121020330233 is 3320330201213.

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 3121020330233 - 216 = 3121020264697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3121020330199 and 3121020330208.

It is not an unprimeable number, because it can be changed into a prime (3121020330133) 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, 6317854673 + ... + 6317855166.

It is an arithmetic number, because the mean of its divisors is an integer number (442249844400).

Almost surely, 23121020330233 is an apocalyptic number.

It is an amenable number.

3121020330233 is a deficient number, since it is larger than the sum of its proper divisors (416978424967).

3121020330233 is a wasteful number, since it uses less digits than its factorization.

3121020330233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12635709871.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 3121020330233 its reverse (3320330201213), we get a palindrome (6441350531446).

The spelling of 3121020330233 in words is "three trillion, one hundred twenty-one billion, twenty million, three hundred thirty thousand, two hundred thirty-three".

Divisors: 1 13 19 247 12635709839 164264227907 240078486941 3121020330233