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31203101313102 = 235200516885517
BaseRepresentation
bin1110001100001000010011…
…10001010000100001001110
311002110222122210001220020210
413012010021301100201032
513042212422414004402
6150210301251423250
76400230636666345
oct706041161204116
9132428583056223
1031203101313102
119a40185256624
1235bb4535b4b26
1314545943c1864
1479c349730b5c
153919e6dbc06c
hex1c6109c5084e

31203101313102 has 8 divisors (see below), whose sum is σ = 62406202626216. Its totient is φ = 10401033771032.

The previous prime is 31203101313089. The next prime is 31203101313119. The reversal of 31203101313102 is 20131310130213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

31203101313102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2600258442753 + ... + 2600258442764.

It is an arithmetic number, because the mean of its divisors is an integer number (7800775328277).

Almost surely, 231203101313102 is an apocalyptic number.

31203101313102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31203101313102 is a wasteful number, since it uses less digits than its factorization.

31203101313102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200516885522.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31203101313102 its reverse (20131310130213), we get a palindrome (51334411443315).

The spelling of 31203101313102 in words is "thirty-one trillion, two hundred three billion, one hundred one million, three hundred thirteen thousand, one hundred two".

Divisors: 1 2 3 6 5200516885517 10401033771034 15601550656551 31203101313102