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31302123012101 = 173075997724279
BaseRepresentation
bin1110001111000000101111…
…11011000100000000000101
311002211110020202212101211002
413013200113323010000011
513100323221442341401
6150323555150223045
76410334534360344
oct707402773040005
9132743222771732
1031302123012101
119a791794396a7
1236166897b4a85
131460a15320966
147a3060891b5b
153943902aea6b
hex1c7817ec4005

31302123012101 has 8 divisors (see below), whose sum is σ = 33251383408320. Its totient is φ = 29364858065088.

The previous prime is 31302123012073. The next prime is 31302123012131. The reversal of 31302123012101 is 10121032120313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31302123012101 - 234 = 31284943142917 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 (31302123012131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2998856921 + ... + 2998867358.

It is an arithmetic number, because the mean of its divisors is an integer number (4156422926040).

Almost surely, 231302123012101 is an apocalyptic number.

It is an amenable number.

31302123012101 is a deficient number, since it is larger than the sum of its proper divisors (1949260396219).

31302123012101 is a wasteful number, since it uses less digits than its factorization.

31302123012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5997724603.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31302123012101 its reverse (10121032120313), we get a palindrome (41423155132414).

The spelling of 31302123012101 in words is "thirty-one trillion, three hundred two billion, one hundred twenty-three million, twelve thousand, one hundred one".

Divisors: 1 17 307 5219 5997724279 101961312743 1841301353653 31302123012101