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3123132122213 = 131199711938259
BaseRepresentation
bin101101011100101001001…
…011100100010001100101
3102001120100110002011212222
4231130221023210101211
5402132133310402323
610350425212122125
7441432061012115
oct55345113442145
912046313064788
103123132122213
11aa4570732654
1242534a766345
131986828ab20c
14ab2361d9045
155638e68a9c8
hex2d7292e4465

3123132122213 has 8 divisors (see below), whose sum is σ = 3148548939360. Its totient is φ = 3097739185840.

The previous prime is 3123132122179. The next prime is 3123132122269. The reversal of 3123132122213 is 3122212313213.

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 3123132122213 - 228 = 3122863686757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123132122273) 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, 5707523 + ... + 6230736.

It is an arithmetic number, because the mean of its divisors is an integer number (393568617420).

Almost surely, 23123132122213 is an apocalyptic number.

It is an amenable number.

3123132122213 is a deficient number, since it is larger than the sum of its proper divisors (25416817147).

3123132122213 is a wasteful number, since it uses less digits than its factorization.

3123132122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11940387.

The product of its digits is 2592, while the sum is 26.

Adding to 3123132122213 its reverse (3122212313213), we get a palindrome (6245344435426).

The spelling of 3123132122213 in words is "three trillion, one hundred twenty-three billion, one hundred thirty-two million, one hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 131 1997 261607 11938259 1563911929 23840703223 3123132122213