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31230002242101 = 31320873089124213
BaseRepresentation
bin1110001100111010011010…
…01100001010001000110101
311002120120002112220200102110
413012131031030022020311
513043133021033221401
6150230510500001233
76402202366056645
oct706351514121065
9132516075820373
1031230002242101
119a5062a112753
123604700690219
131456c906c5720
1479d77c344525
1539256d8d29d6
hex1c674d30a235

31230002242101 has 32 divisors (see below), whose sum is σ = 44879452289280. Its totient is φ = 19202881065984.

The previous prime is 31230002242099. The next prime is 31230002242141. The reversal of 31230002242101 is 10124220003213.

It is not a de Polignac number, because 31230002242101 - 21 = 31230002242099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31230002242141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251360871 + ... + 251485083.

It is an arithmetic number, because the mean of its divisors is an integer number (1402482884040).

Almost surely, 231230002242101 is an apocalyptic number.

It is an amenable number.

31230002242101 is a deficient number, since it is larger than the sum of its proper divisors (13649450047179).

31230002242101 is a wasteful number, since it uses less digits than its factorization.

31230002242101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129405.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31230002242101 its reverse (10124220003213), we get a palindrome (41354222245314).

The spelling of 31230002242101 in words is "thirty-one trillion, two hundred thirty billion, two million, two hundred forty-two thousand, one hundred one".

Divisors: 1 3 13 39 2087 3089 6261 9267 27131 40157 81393 120471 124213 372639 1614769 4844307 6446743 19340229 83807659 251422977 259232531 383693957 777697593 1151081871 3370022903 4988021441 10110068709 14964064323 800769288259 2402307864777 10410000747367 31230002242101