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31033122030030 = 2351034437401001
BaseRepresentation
bin1110000111001011101100…
…01101110000000111001110
311001212201220122001122102010
413003211312031300013032
513031421313214430110
6150000230333442050
76352032456634401
oct703456615600716
9131781818048363
1031033122030030
11998508939938a
123592515940326
13144154583c313
1479402272bd38
1538c3992b5020
hex1c39763701ce

31033122030030 has 16 divisors (see below), whose sum is σ = 74479492872144. Its totient is φ = 8275499208000.

The previous prime is 31033122029989. The next prime is 31033122030067. The reversal of 31033122030030 is 3003022133013.

It is a junction number, because it is equal to n+sod(n) for n = 31033122029979 and 31033122030006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517218700471 + ... + 517218700530.

It is an arithmetic number, because the mean of its divisors is an integer number (4654968304509).

Almost surely, 231033122030030 is an apocalyptic number.

31033122030030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31033122030030 is an abundant number, since it is smaller than the sum of its proper divisors (43446370842114).

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

31033122030030 is a wasteful number, since it uses less digits than its factorization.

31033122030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034437401011.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31033122030030 its reverse (3003022133013), we get a palindrome (34036144163043).

The spelling of 31033122030030 in words is "thirty-one trillion, thirty-three billion, one hundred twenty-two million, thirty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1034437401001 2068874802002 3103312203003 5172187005005 6206624406006 10344374010010 15516561015015 31033122030030