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31313210330132 = 2243645128220981
BaseRepresentation
bin1110001111010101011001…
…10001110100110000010100
311002212111212110121111212122
413013222230301310300110
513101013423321031012
6150333031254035112
76411206354125613
oct707525461646024
9132774773544778
1031313210330132
119a82948996855
123618862948a98
131461a9136b583
147a37d31b187a
153947dd84ae72
hex1c7aacc74c14

31313210330132 has 24 divisors (see below), whose sum is σ = 56081186966112. Its totient is φ = 15290126964000.

The previous prime is 31313210330123. The next prime is 31313210330141. The reversal of 31313210330132 is 23103301231313.

It is an interprime number because it is at equal distance from previous prime (31313210330123) and next prime (31313210330141).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13000919 + ... + 15220062.

It is an arithmetic number, because the mean of its divisors is an integer number (2336716123588).

Almost surely, 231313210330132 is an apocalyptic number.

It is an amenable number.

31313210330132 is a deficient number, since it is larger than the sum of its proper divisors (24767976635980).

31313210330132 is a wasteful number, since it uses less digits than its factorization.

31313210330132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28227479 (or 28227477 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31313210330132 its reverse (23103301231313), we get a palindrome (54416511561445).

The spelling of 31313210330132 in words is "thirty-one trillion, three hundred thirteen billion, two hundred ten million, three hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 4 43 86 172 6451 12902 25804 277393 554786 1109572 28220981 56441962 112883924 1213502183 2427004366 4854008732 182053548431 364107096862 728214193724 7828302582533 15656605165066 31313210330132