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31123033101122 = 2791652291192171
BaseRepresentation
bin1110001001110011001010…
…10101010001001101000010
311002012022222200121022000012
413010321211111101031002
513034404432433213442
6150105420220024522
76361364526266114
oct704714525211502
9132168880538005
1031123033101122
119a0a22789a906
1235a7a28992142
131449b740c6031
147985118bb3b4
1538e8ac927582
hex1c4e65551342

31123033101122 has 16 divisors (see below), whose sum is σ = 47275819094400. Its totient is φ = 15364429451280.

The previous prime is 31123033101091. The next prime is 31123033101133. The reversal of 31123033101122 is 22110133032113.

It is a super-3 number, since 3×311230331011223 (a number of 41 digits) contains 333 as substring.

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, 25510097 + ... + 26702267.

It is an arithmetic number, because the mean of its divisors is an integer number (2954738693400).

Almost surely, 231123033101122 is an apocalyptic number.

31123033101122 is a deficient number, since it is larger than the sum of its proper divisors (16152785993278).

31123033101122 is a wasteful number, since it uses less digits than its factorization.

31123033101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357481.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 31123033101122 its reverse (22110133032113), we get a palindrome (53233166133235).

The spelling of 31123033101122 in words is "thirty-one trillion, one hundred twenty-three billion, thirty-three million, one hundred one thousand, one hundred twenty-two".

Divisors: 1 2 79 158 165229 330458 1192171 2384342 13053091 26106182 94181509 188363018 196981222159 393962444318 15561516550561 31123033101122