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31152113021032 = 238346915832863
BaseRepresentation
bin1110001010101001010101…
…01000010111000001101000
311002022010001022121021202221
413011110222220113001220
513040344011413133112
6150131025543403424
76363444254444533
oct705245250270150
9132263038537687
1031152113021032
119a2059a737073
1235b15a3753574
13144c829983a33
14799aada5da1a
153905108a9e07
hex1c552aa17068

31152113021032 has 16 divisors (see below), whose sum is σ = 59113949408640. Its totient is φ = 15388393178736.

The previous prime is 31152113021023. The next prime is 31152113021039. The reversal of 31152113021032 is 23012031125113.

It is a junction number, because it is equal to n+sod(n) for n = 31152113020988 and 31152113021006.

It is not an unprimeable number, because it can be changed into a prime (31152113021039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23457915768 + ... + 23457917095.

It is an arithmetic number, because the mean of its divisors is an integer number (3694621838040).

Almost surely, 231152113021032 is an apocalyptic number.

It is an amenable number.

31152113021032 is a deficient number, since it is larger than the sum of its proper divisors (27961836387608).

31152113021032 is a wasteful number, since it uses less digits than its factorization.

31152113021032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46915832952 (or 46915832948 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 31152113021032 its reverse (23012031125113), we get a palindrome (54164144146145).

The spelling of 31152113021032 in words is "thirty-one trillion, one hundred fifty-two billion, one hundred thirteen million, twenty-one thousand, thirty-two".

Divisors: 1 2 4 8 83 166 332 664 46915832863 93831665726 187663331452 375326662904 3894014127629 7788028255258 15576056510516 31152113021032