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31122001130 = 2511282927283
BaseRepresentation
bin11100111111000001…
…000000110011101010
32222022221112110120112
4130333001000303222
51002214213014010
622144112254322
72151142434113
oct347701006352
988287473515
1031122001130
11122206160a0
1260468413a2
132c1c979cac
14171347320a
15c223a8a05
hex73f040cea

31122001130 has 16 divisors (see below), whose sum is σ = 61112293344. Its totient is φ = 11317091280.

The previous prime is 31122001111. The next prime is 31122001193. The reversal of 31122001130 is 3110022113.

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 7 ways as a sum of consecutive naturals, for example, 141463532 + ... + 141463751.

It is an arithmetic number, because the mean of its divisors is an integer number (3819518334).

Almost surely, 231122001130 is an apocalyptic number.

31122001130 is a deficient number, since it is larger than the sum of its proper divisors (29990292214).

31122001130 is a wasteful number, since it uses less digits than its factorization.

31122001130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282927301.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31122001130 its reverse (3110022113), we get a palindrome (34232023243).

The spelling of 31122001130 in words is "thirty-one billion, one hundred twenty-two million, one thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 282927283 565854566 1414636415 2829272830 3112200113 6224400226 15561000565 31122001130