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31030030303133 = 310945072214491
BaseRepresentation
bin1110000111000101111011…
…11011101111111110011101
311001212102221011102122102112
413003202331323233332131
513031344000224200013
6145554555451203405
76351563035454351
oct703427573577635
9131772834378375
1031030030303133
119983842178194
1235919b2446565
13144117214cb14
14793c0bc89461
1538c267b52ba8
hex1c38bdeeff9d

31030030303133 has 8 divisors (see below), whose sum is σ = 31046912100960. Its totient is φ = 31013152949520.

The previous prime is 31030030303127. The next prime is 31030030303211. The reversal of 31030030303133 is 33130303003013.

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

It is a cyclic number.

It is not a de Polignac number, because 31030030303133 - 210 = 31030030302109 is a prime.

It is a super-2 number, since 2×310300303031332 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31030030303099 and 31030030303108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030030303333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12905018 + ... + 15119508.

It is an arithmetic number, because the mean of its divisors is an integer number (3880864012620).

Almost surely, 231030030303133 is an apocalyptic number.

It is an amenable number.

31030030303133 is a deficient number, since it is larger than the sum of its proper divisors (16881797827).

31030030303133 is a wasteful number, since it uses less digits than its factorization.

31030030303133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222107.

The product of its (nonzero) digits is 2187, while the sum is 23.

Adding to 31030030303133 its reverse (33130303003013), we get a palindrome (64160333306146).

The spelling of 31030030303133 in words is "thirty-one trillion, thirty billion, thirty million, three hundred three thousand, one hundred thirty-three".

Divisors: 1 3109 4507 2214491 14012263 6884852519 9980710937 31030030303133