Search a number
-
+
31322112331120 = 2451330117415703
BaseRepresentation
bin1110001111100101111110…
…11000010000110101110000
311002220100211212022000111221
413013302333120100311300
513101140141224043440
6150341102454514424
76411643066650352
oct707627730206560
9132810755260457
1031322112331120
119a866a6932966
12361a528065a14
13146287c728a90
147a3dd95970d2
15394b6011ad4a
hex1c7cbf610d70

31322112331120 has 40 divisors (see below), whose sum is σ = 78425750493216. Its totient is φ = 11565087629568.

The previous prime is 31322112331093. The next prime is 31322112331189. The reversal of 31322112331120 is 2113321122313.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15058706812 + ... + 15058708891.

Almost surely, 231322112331120 is an apocalyptic number.

It is an amenable number.

31322112331120 is an abundant number, since it is smaller than the sum of its proper divisors (47103638162096).

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

31322112331120 is a wasteful number, since it uses less digits than its factorization.

31322112331120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30117415729 (or 30117415723 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 31322112331120 its reverse (2113321122313), we get a palindrome (33435433453433).

The spelling of 31322112331120 in words is "thirty-one trillion, three hundred twenty-two billion, one hundred twelve million, three hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 30117415703 60234831406 120469662812 150587078515 240939325624 301174157030 391526404139 481878651248 602348314060 783052808278 1204696628120 1566105616556 1957632020695 2409393256240 3132211233112 3915264041390 6264422466224 7830528082780 15661056165560 31322112331120