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31301231000142 = 235216871833357
BaseRepresentation
bin1110001110111111000101…
…10000010011101001001110
311002211100221121101111110010
413013133202300103221032
513100314410114001032
6150323330443254050
76410303453401365
oct707374260235116
9132740847344403
1031301231000142
119a78860972934
12361647ab1a326
13146090259312c
147a2db82147dc
1539433bd0eccc
hex1c77e2c13a4e

31301231000142 has 8 divisors (see below), whose sum is σ = 62602462000296. Its totient is φ = 10433743666712.

The previous prime is 31301231000141. The next prime is 31301231000173. The reversal of 31301231000142 is 24100013210313.

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

31301231000142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301231000141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2608435916673 + ... + 2608435916684.

It is an arithmetic number, because the mean of its divisors is an integer number (7825307750037).

Almost surely, 231301231000142 is an apocalyptic number.

31301231000142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31301231000142 is a wasteful number, since it uses less digits than its factorization.

31301231000142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5216871833362.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31301231000142 its reverse (24100013210313), we get a palindrome (55401244210455).

The spelling of 31301231000142 in words is "thirty-one trillion, three hundred one billion, two hundred thirty-one million, one hundred forty-two", and thus it is an aban number.

Divisors: 1 2 3 6 5216871833357 10433743666714 15650615500071 31301231000142