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31143003412111 = 173863474227641
BaseRepresentation
bin1110001010011000010111…
…01001111101011010001111
311002021020112110021012120221
413011030023221331122033
513040221332333141421
6150122522005052211
76363002441161123
oct705141351753217
9132236473235527
1031143003412111
119a17745591058
1235ab8809b7067
13144ba075a73b6
14799487c75583
1539017ac7b841
hex1c530ba7d68f

31143003412111 has 8 divisors (see below), whose sum is σ = 32983480956384. Its totient is φ = 29303474330880.

The previous prime is 31143003412033. The next prime is 31143003412133. The reversal of 31143003412111 is 11121430034113.

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

It is a cyclic number.

It is not a de Polignac number, because 31143003412111 - 227 = 31142869194383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31143003412711) 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, 237048150 + ... + 237179491.

It is an arithmetic number, because the mean of its divisors is an integer number (4122935119548).

Almost surely, 231143003412111 is an apocalyptic number.

31143003412111 is a deficient number, since it is larger than the sum of its proper divisors (1840477544273).

31143003412111 is a wasteful number, since it uses less digits than its factorization.

31143003412111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474231521.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 31143003412111 its reverse (11121430034113), we get a palindrome (42264433446224).

The spelling of 31143003412111 in words is "thirty-one trillion, one hundred forty-three billion, three million, four hundred twelve thousand, one hundred eleven".

Divisors: 1 17 3863 65671 474227641 8061869897 1831941377183 31143003412111