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31111342212310 = 255995303979423
BaseRepresentation
bin1110001001011101011001…
…00000000100010011010110
311002011012210221010121111021
413010232230200010103112
513034212012101243220
6150100204151431354
76360502030340143
oct704565440042326
9132135727117437
1031111342212310
119a05278676028
1235a570568555a
131448a2cccc449
14797b22d653ca
1538e4263b54aa
hex1c4bac8044d6

31111342212310 has 32 divisors (see below), whose sum is σ = 56104540876800. Its totient is φ = 12421405902048.

The previous prime is 31111342212241. The next prime is 31111342212359. The reversal of 31111342212310 is 1321224311113.

It is a super-2 number, since 2×311113422123102 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 31275259 + ... + 32254681.

It is an arithmetic number, because the mean of its divisors is an integer number (1753266902400).

Almost surely, 231111342212310 is an apocalyptic number.

31111342212310 is a deficient number, since it is larger than the sum of its proper divisors (24993198664490).

31111342212310 is a wasteful number, since it uses less digits than its factorization.

31111342212310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985332.

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

Adding to 31111342212310 its reverse (1321224311113), we get a palindrome (32432566523423).

The spelling of 31111342212310 in words is "thirty-one trillion, one hundred eleven billion, three hundred forty-two million, two hundred twelve thousand, three hundred ten".

Divisors: 1 2 5 10 599 1198 2995 5303 5990 10606 26515 53030 979423 1958846 3176497 4897115 6352994 9794230 15882485 31764970 586674377 1173348754 2933371885 5193880169 5866743770 10387760338 25969400845 51938801690 3111134221231 6222268442462 15555671106155 31111342212310