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31143101242001 = 723375227984093
BaseRepresentation
bin1110001010011000100010…
…11111001001101010010001
311002021020210021100110222012
413011030101133021222101
513040222032404221001
6150122535421552305
76363005036544350
oct705142137115221
9132236707313865
1031143101242001
119a17795830101
1235ab8a9715695
13144ba2193b1c8
14799496c5d997
153901846532bb
hex1c53117c9a91

31143101242001 has 16 divisors (see below), whose sum is σ = 38143371949824. Its totient is φ = 24843380405184.

The previous prime is 31143101241979. The next prime is 31143101242003. The reversal of 31143101242001 is 10024210134113.

It is a cyclic number.

It is not a de Polignac number, because 31143101242001 - 242 = 26745054730897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31143101242003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2613986090 + ... + 2613998003.

It is an arithmetic number, because the mean of its divisors is an integer number (2383960746864).

Almost surely, 231143101242001 is an apocalyptic number.

It is an amenable number.

31143101242001 is a deficient number, since it is larger than the sum of its proper divisors (7000270707823).

31143101242001 is a wasteful number, since it uses less digits than its factorization.

31143101242001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227984160.

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

Adding to 31143101242001 its reverse (10024210134113), we get a palindrome (41167311376114).

The spelling of 31143101242001 in words is "thirty-one trillion, one hundred forty-three billion, one hundred one million, two hundred forty-two thousand, one".

Divisors: 1 7 23 37 161 259 851 5957 5227984093 36595888651 120243634139 193435411441 841705438973 1354047880087 4449014463143 31143101242001