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102331320221111 = 4312260919409653
BaseRepresentation
bin10111010001000111011101…
…111111011011110110110111
3111102022210000122121111021012
4113101013131333123312313
5101403044020434033421
61001350205353542435
730361123340101652
oct2721073577336667
9442283018544235
10102331320221111
112a673518546a13
12b5885b4114a1b
134513a57268c17
141b3ac10314899
15bc6d1491b95b
hex5d11ddfdbdb7

102331320221111 has 8 divisors (see below), whose sum is σ = 104711977785360. Its totient is φ = 99950701721472.

The previous prime is 102331320221101. The next prime is 102331320221129. The reversal of 102331320221111 is 111122023133201.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102331320221111 is a prime.

It is a super-4 number, since 4×1023313202211114 (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102331320221101) 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, 4432640 + ... + 14977013.

It is an arithmetic number, because the mean of its divisors is an integer number (13088997223170).

Almost surely, 2102331320221111 is an apocalyptic number.

102331320221111 is a deficient number, since it is larger than the sum of its proper divisors (2380657564249).

102331320221111 is a wasteful number, since it uses less digits than its factorization.

102331320221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19532305.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 102331320221111 its reverse (111122023133201), we get a palindrome (213453343354312).

The spelling of 102331320221111 in words is "one hundred two trillion, three hundred thirty-one billion, three hundred twenty million, two hundred twenty-one thousand, one hundred eleven".

Divisors: 1 43 122609 5272187 19409653 834615079 2379798144677 102331320221111