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31330344114320 = 245391629301429
BaseRepresentation
bin1110001111110101010100…
…00010000001100010010000
311002221011002112211221012012
413013322222002001202100
513101304021043124240
6150344543354322052
76412354063651316
oct707725202014220
9132834075757165
1031330344114320
119a8a140521479
123620044a29328
131463591ca3a04
147a457a9580b6
15394e92b4cb65
hex1c7eaa081890

31330344114320 has 20 divisors (see below), whose sum is σ = 72843050065980. Its totient is φ = 12532137645696.

The previous prime is 31330344114301. The next prime is 31330344114337. The reversal of 31330344114320 is 2341144303313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7315012618384 + 24015331495936 = 2704628^2 + 4900544^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195814650635 + ... + 195814650794.

It is an arithmetic number, because the mean of its divisors is an integer number (3642152503299).

Almost surely, 231330344114320 is an apocalyptic number.

It is an amenable number.

31330344114320 is an abundant number, since it is smaller than the sum of its proper divisors (41512705951660).

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

31330344114320 is a wasteful number, since it uses less digits than its factorization.

31330344114320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391629301442 (or 391629301436 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 31330344114320 its reverse (2341144303313), we get a palindrome (33671488417633).

The spelling of 31330344114320 in words is "thirty-one trillion, three hundred thirty billion, three hundred forty-four million, one hundred fourteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 391629301429 783258602858 1566517205716 1958146507145 3133034411432 3916293014290 6266068822864 7832586028580 15665172057160 31330344114320