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321113020223131 = 4113778772640489
BaseRepresentation
bin100100100000011001111001…
…1100000001100111010011011
31120002222002211111022201121221
41021000303303200030322123
5314042103431134120011
63054541141320312511
7124431435663352513
oct11100636340147233
91502862744281557
10321113020223131
11933532a3575934
1230021a30912737
1310a23a9bac6656
145941d4b46c843
15271cd4728e971
hex1240cf380ce9b

321113020223131 has 16 divisors (see below), whose sum is σ = 331767132671520. Its totient is φ = 310599104209920.

The previous prime is 321113020223123. The next prime is 321113020223143. The reversal of 321113020223131 is 131322020311123.

It is a cyclic number.

It is not a de Polignac number, because 321113020223131 - 23 = 321113020223123 is a prime.

It is a super-3 number, since 3×3211130202231313 (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321113020223096 and 321113020223105.

It is not an unprimeable number, because it can be changed into a prime (321113020223161) 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, 31899666 + ... + 40740823.

It is an arithmetic number, because the mean of its divisors is an integer number (20735445791970).

Almost surely, 2321113020223131 is an apocalyptic number.

321113020223131 is a deficient number, since it is larger than the sum of its proper divisors (10654112448389).

321113020223131 is a wasteful number, since it uses less digits than its factorization.

321113020223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72641454.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 321113020223131 its reverse (131322020311123), we get a palindrome (452435040534254).

The spelling of 321113020223131 in words is "three hundred twenty-one trillion, one hundred thirteen billion, twenty million, two hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 41 137 787 5617 32267 107819 4420579 72640489 2978260049 9951746993 57168064843 408021626713 2343890658563 7832024883491 321113020223131