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31240014321011 = 421113687542023
BaseRepresentation
bin1110001101001101000011…
…11101001101010101110011
311002121111221022101222200212
413012212201331031111303
513043314022131233021
6150235244153334335
76403005451250246
oct706464175152563
9132544838358625
1031240014321011
119a548a7727831
1236066357073ab
131457bc7a51a82
147a004bd2d25d
1539295787985b
hex1c69a1f4d573

31240014321011 has 8 divisors (see below), whose sum is σ = 31249773644544. Its totient is φ = 31230256117320.

The previous prime is 31240014320903. The next prime is 31240014321059. The reversal of 31240014321011 is 11012341004213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31240014321011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31240014351011) 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, 57364946 + ... + 57906968.

It is an arithmetic number, because the mean of its divisors is an integer number (3906221705568).

Almost surely, 231240014321011 is an apocalyptic number.

31240014321011 is a deficient number, since it is larger than the sum of its proper divisors (9759323533).

31240014321011 is a wasteful number, since it uses less digits than its factorization.

31240014321011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559921.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 31240014321011 its reverse (11012341004213), we get a palindrome (42252355325224).

The spelling of 31240014321011 in words is "thirty-one trillion, two hundred forty billion, fourteen million, three hundred twenty-one thousand, eleven".

Divisors: 1 4211 13687 542023 57635957 2282458853 7418668801 31240014321011