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231002020113102 = 23272379710841999
BaseRepresentation
bin110100100001100001011001…
…010110011110101011001110
31010021220120120221221121202100
4310201201121112132223032
5220234214114122104402
62135144510225135530
766441226255314450
oct6441413126365316
91107816527847670
10231002020113102
1167671452164157
1221aa98a518a5a6
139bb8521363a54
1441087b382a2d0
151ba8d5cb1671c
hexd2185959eace

231002020113102 has 48 divisors (see below), whose sum is σ = 596874784896000. Its totient is φ = 63130986862416.

The previous prime is 231002020113031. The next prime is 231002020113149. The reversal of 231002020113102 is 201311020200132.

231002020113102 is a `hidden beast` number, since 2 + 310 + 0 + 20 + 20 + 1 + 1 + 310 + 2 = 666.

231002020113102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39855418102 + ... + 39855423897.

It is an arithmetic number, because the mean of its divisors is an integer number (12434891352000).

Almost surely, 2231002020113102 is an apocalyptic number.

231002020113102 is an abundant number, since it is smaller than the sum of its proper divisors (365872764782898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231002020113102 is a wasteful number, since it uses less digits than its factorization.

231002020113102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79710842037 (or 79710842034 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 231002020113102 its reverse (201311020200132), we get a palindrome (432313040313234).

The spelling of 231002020113102 in words is "two hundred thirty-one trillion, two billion, twenty million, one hundred thirteen thousand, one hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 23 42 46 63 69 126 138 161 207 322 414 483 966 1449 2898 79710841999 159421683998 239132525997 478265051994 557975893993 717397577991 1115951787986 1434795155982 1673927681979 1833349365977 3347855363958 3666698731954 5021783045937 5500048097931 10043566091874 11000096195862 12833445561839 16500144293793 25666891123678 33000288587586 38500336685517 77000673371034 115501010056551 231002020113102