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31111200113030 = 253111120011303
BaseRepresentation
bin1110001001011101001000…
…00010000000000110000110
311002011012110000202012220222
413010232210002000012012
513034211214212104110
6150100142114024342
76360465353454422
oct704564402000606
9132135400665828
1031111200113030
119a0520543a804
1235a5685b780b2
131448a0973872b
14797b0c135b82
1538e418b96c55
hex1c4ba4080186

31111200113030 has 8 divisors (see below), whose sum is σ = 56000160203472. Its totient is φ = 12444480045208.

The previous prime is 31111200113029. The next prime is 31111200113047. The reversal of 31111200113030 is 3031100211113.

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

It is a Curzon number.

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, 1555560005642 + ... + 1555560005661.

It is an arithmetic number, because the mean of its divisors is an integer number (7000020025434).

Almost surely, 231111200113030 is an apocalyptic number.

31111200113030 is a deficient number, since it is larger than the sum of its proper divisors (24888960090442).

31111200113030 is a wasteful number, since it uses less digits than its factorization.

31111200113030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111120011310.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 31111200113030 its reverse (3031100211113), we get a palindrome (34142300324143).

The spelling of 31111200113030 in words is "thirty-one trillion, one hundred eleven billion, two hundred million, one hundred thirteen thousand, thirty".

Divisors: 1 2 5 10 3111120011303 6222240022606 15555600056515 31111200113030