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3121113110422 = 21560556555211
BaseRepresentation
bin101101011010110000110…
…101101001011110010110
3102001101010201221202101111
4231122300311221132112
5402114014424013142
610345453005445234
7441331043465266
oct55326065513626
912041121852344
103121113110422
11aa3724a9016a
12424a8657081a
13198420508498
14ab0c3dd17a6
15562c22bee17
hex2d6b0d69796

3121113110422 has 4 divisors (see below), whose sum is σ = 4681669665636. Its totient is φ = 1560556555210.

The previous prime is 3121113110419. The next prime is 3121113110429. The reversal of 3121113110422 is 2240113111213.

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

It is a junction number, because it is equal to n+sod(n) for n = 3121113110393 and 3121113110402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121113110429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780278277604 + ... + 780278277607.

It is an arithmetic number, because the mean of its divisors is an integer number (1170417416409).

Almost surely, 23121113110422 is an apocalyptic number.

3121113110422 is a deficient number, since it is larger than the sum of its proper divisors (1560556555214).

3121113110422 is a wasteful number, since it uses less digits than its factorization.

3121113110422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560556555213.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 3121113110422 its reverse (2240113111213), we get a palindrome (5361226221635).

The spelling of 3121113110422 in words is "three trillion, one hundred twenty-one billion, one hundred thirteen million, one hundred ten thousand, four hundred twenty-two".

Divisors: 1 2 1560556555211 3121113110422