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31100113212230 = 255358679458891
BaseRepresentation
bin1110001001001000011110…
…01100110101001101000110
311002010010211100210022012102
413010210033030311031012
513034021012440242410
6150051110023152102
76356623540404446
oct704441714651506
9132103740708172
1031100113212230
119a00536148077
1235a34b0ba5632
1314479608059ba
147973798c4126
1538deba68e2a5
hex1c490f335346

31100113212230 has 16 divisors (see below), whose sum is σ = 57036434043024. Its totient is φ = 12205327449120.

The previous prime is 31100113212211. The next prime is 31100113212239. The reversal of 31100113212230 is 3221231100113.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31100113212239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29339728916 + ... + 29339729975.

It is an arithmetic number, because the mean of its divisors is an integer number (3564777127689).

Almost surely, 231100113212230 is an apocalyptic number.

31100113212230 is a deficient number, since it is larger than the sum of its proper divisors (25936320830794).

31100113212230 is a wasteful number, since it uses less digits than its factorization.

31100113212230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58679458951.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31100113212230 its reverse (3221231100113), we get a palindrome (34321344312343).

The spelling of 31100113212230 in words is "thirty-one trillion, one hundred billion, one hundred thirteen million, two hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 58679458891 117358917782 293397294455 586794588910 3110011321223 6220022642446 15550056606115 31100113212230