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31224000113013 = 3307174719405999
BaseRepresentation
bin1110001100101111001110…
…11011110110100101110101
311002112222121020211221012010
413012113213123312211311
513043033223012104023
6150224035125314433
76401600554603221
oct706274733664565
9132488536757163
1031224000113013
119a4902a068294
123603506565a19
131456545062856
1479d36d13d781
1539231b9c9093
hex1c65e76f6975

31224000113013 has 16 divisors (see below), whose sum is σ = 41791519616000. Its totient is φ = 20736317974896.

The previous prime is 31224000113003. The next prime is 31224000113027. The reversal of 31224000113013 is 31031100042213.

It is not a de Polignac number, because 31224000113013 - 213 = 31224000104821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31224000113003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8094013 + ... + 11311986.

It is an arithmetic number, because the mean of its divisors is an integer number (2611969976000).

Almost surely, 231224000113013 is an apocalyptic number.

It is an amenable number.

31224000113013 is a deficient number, since it is larger than the sum of its proper divisors (10567519502987).

31224000113013 is a wasteful number, since it uses less digits than its factorization.

31224000113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19408056.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31224000113013 its reverse (31031100042213), we get a palindrome (62255100155226).

The spelling of 31224000113013 in words is "thirty-one trillion, two hundred twenty-four billion, one hundred thirteen thousand, thirteen".

Divisors: 1 3 307 921 1747 5241 536329 1608987 19405999 58217997 5957641693 17872925079 33902280253 101706840759 10408000037671 31224000113013