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31100121323230 = 253110012132323
BaseRepresentation
bin1110001001001000011111…
…01011110001011011011110
311002010010211221001101101211
413010210033223301123132
513034021022024320410
6150051110513055034
76356623666345621
oct704441753613336
9132103757041354
1031100121323230
119a0053a787a83
1235a34b385747a
1314479623b57cb
1479737a9d5db8
1538debb24268a
hex1c490faf16de

31100121323230 has 8 divisors (see below), whose sum is σ = 55980218381832. Its totient is φ = 12440048529288.

The previous prime is 31100121323203. The next prime is 31100121323309. The reversal of 31100121323230 is 3232312100113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×311001213232302 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555006066152 + ... + 1555006066171.

It is an arithmetic number, because the mean of its divisors is an integer number (6997527297729).

Almost surely, 231100121323230 is an apocalyptic number.

31100121323230 is a deficient number, since it is larger than the sum of its proper divisors (24880097058602).

31100121323230 is a wasteful number, since it uses less digits than its factorization.

31100121323230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110012132330.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31100121323230 its reverse (3232312100113), we get a palindrome (34332433423343).

The spelling of 31100121323230 in words is "thirty-one trillion, one hundred billion, one hundred twenty-one million, three hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 3110012132323 6220024264646 15550060661615 31100121323230