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31330211102 = 2731597134371
BaseRepresentation
bin11101001011011011…
…010001010100011110
32222212110022121221222
4131023123101110132
51003131013223402
622220511053342
72156251254221
oct351333212436
988773277858
1031330211102
11123180a6353
1260a4511252
132c53b4a168
141732d915b8
15c357d57a2
hex74b6d151e

31330211102 has 16 divisors (see below), whose sum is σ = 47669273232. Its totient is φ = 15440725440.

The previous prime is 31330211089. The next prime is 31330211117. The reversal of 31330211102 is 20111203313.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165977 + ... + 300347.

It is an arithmetic number, because the mean of its divisors is an integer number (2979329577).

Almost surely, 231330211102 is an apocalyptic number.

31330211102 is a deficient number, since it is larger than the sum of its proper divisors (16339062130).

31330211102 is a wasteful number, since it uses less digits than its factorization.

31330211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136043.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31330211102 its reverse (20111203313), we get a palindrome (51441414415).

The spelling of 31330211102 in words is "thirty-one billion, three hundred thirty million, two hundred eleven thousand, one hundred two".

Divisors: 1 2 73 146 1597 3194 116581 134371 233162 268742 9809083 19618166 214590487 429180974 15665105551 31330211102