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31230023123004 = 22343918713168493
BaseRepresentation
bin1110001100111010011100…
…11011110100000000111100
311002120120011000012112122020
413012131032123310000330
513043133041404414004
6150230512523320140
76402203041415136
oct706351633640074
9132516130175566
1031230023123004
119a5063a9848a2
123604707680050
131456c94b26aa4
1479d78101c056
153925706598d9
hex1c674e6f403c

31230023123004 has 48 divisors (see below), whose sum is σ = 73075103861760. Its totient is φ = 10380740230080.

The previous prime is 31230023122997. The next prime is 31230023123063. The reversal of 31230023123004 is 40032132003213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8272182 + ... + 11440674.

It is an arithmetic number, because the mean of its divisors is an integer number (1522397997120).

Almost surely, 231230023123004 is an apocalyptic number.

It is an amenable number.

31230023123004 is an abundant number, since it is smaller than the sum of its proper divisors (41845080738756).

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

31230023123004 is a wasteful number, since it uses less digits than its factorization.

31230023123004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170810 (or 3170808 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31230023123004 its reverse (40032132003213), we get a palindrome (71262155126217).

The spelling of 31230023123004 in words is "thirty-one trillion, two hundred thirty billion, twenty-three million, one hundred twenty-three thousand, four".

Divisors: 1 2 3 4 6 12 439 878 1317 1756 1871 2634 3742 5268 5613 7484 11226 22452 821369 1642738 2464107 3168493 3285476 4928214 6336986 9505479 9856428 12673972 19010958 38021916 1390968427 2781936854 4172905281 5563873708 5928250403 8345810562 11856500806 16691621124 17784751209 23713001612 35569502418 71139004836 2602501926917 5205003853834 7807505780751 10410007707668 15615011561502 31230023123004