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31203020130022 = 2138913484451223
BaseRepresentation
bin1110001100001000001001…
…11011100100011011100110
311002110222110010022101000001
413012010010323210123212
513042212241123130042
6150210245231411514
76400225632645106
oct706040473443346
9132428403271001
1031203020130022
119a40143447574
1235bb430383b9a
131454580638b30
1479c33ca3b206
153919debd2bb7
hex1c6104ee46e6

31203020130022 has 16 divisors (see below), whose sum is σ = 50971225626720. Its totient is φ = 14239580490432.

The previous prime is 31203020130017. The next prime is 31203020130041. The reversal of 31203020130022 is 22003102030213.

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, 6742223298 + ... + 6742227925.

It is an arithmetic number, because the mean of its divisors is an integer number (3185701601670).

Almost surely, 231203020130022 is an apocalyptic number.

31203020130022 is a deficient number, since it is larger than the sum of its proper divisors (19768205496698).

31203020130022 is a wasteful number, since it uses less digits than its factorization.

31203020130022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13484451327.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31203020130022 its reverse (22003102030213), we get a palindrome (53206122160235).

The spelling of 31203020130022 in words is "thirty-one trillion, two hundred three billion, twenty million, one hundred thirty thousand, twenty-two".

Divisors: 1 2 13 26 89 178 1157 2314 13484451223 26968902446 175297865899 350595731798 1200116158847 2400232317694 15601510065011 31203020130022