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31012213331422 = 226895766495599
BaseRepresentation
bin1110000110100100101111…
…11101011001010111011110
311001210201221110122201000101
413003102113331121113132
513031101003103101142
6145542451503451314
76350362361632411
oct703222775312736
9131721843581011
1031012213331422
119977229a36684
12358a45b5b6b3a
13143c592b138cb
14792ddb8a3b78
1538ba738a00b7
hex1c3497f595de

31012213331422 has 8 divisors (see below), whose sum is σ = 46535619492000. Its totient is φ = 15500340167424.

The previous prime is 31012213331369. The next prime is 31012213331467. The reversal of 31012213331422 is 22413331221013.

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

It is a super-2 number, since 2×310122133314222 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2883242422 + ... + 2883253177.

It is an arithmetic number, because the mean of its divisors is an integer number (5816952436500).

Almost surely, 231012213331422 is an apocalyptic number.

31012213331422 is a deficient number, since it is larger than the sum of its proper divisors (15523406160578).

31012213331422 is a wasteful number, since it uses less digits than its factorization.

31012213331422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5766498290.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 31012213331422 its reverse (22413331221013), we get a palindrome (53425544552435).

The spelling of 31012213331422 in words is "thirty-one trillion, twelve billion, two hundred thirteen million, three hundred thirty-one thousand, four hundred twenty-two".

Divisors: 1 2 2689 5378 5766495599 11532991198 15506106665711 31012213331422