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31102133330 = 2522431386631
BaseRepresentation
bin11100111101110101…
…001110010001010010
32222021120011002002002
4130331311032101102
51002144121231310
622142122354002
72150511525362
oct347565162122
988246132062
1031102133330
1112210386124
12604005b902
132c18811ab8
1417109809a2
15c20781da5
hex73dd4e452

31102133330 has 16 divisors (see below), whose sum is σ = 56008839744. Its totient is φ = 12435297840.

The previous prime is 31102133323. The next prime is 31102133351. The reversal of 31102133330 is 3333120113.

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, 670886 + ... + 715745.

It is an arithmetic number, because the mean of its divisors is an integer number (3500552484).

Almost surely, 231102133330 is an apocalyptic number.

31102133330 is a deficient number, since it is larger than the sum of its proper divisors (24906706414).

31102133330 is a wasteful number, since it uses less digits than its factorization.

31102133330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388881.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 31102133330 its reverse (3333120113), we get a palindrome (34435253443).

The spelling of 31102133330 in words is "thirty-one billion, one hundred two million, one hundred thirty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 2243 4486 11215 22430 1386631 2773262 6933155 13866310 3110213333 6220426666 15551066665 31102133330