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31323230002202 = 2171996146153573
BaseRepresentation
bin1110001111101000000011…
…11111110101110000011010
311002220110201202101121000012
413013310001333311300122
513101144433340032302
6150341405422241522
76412012561002545
oct707640177656032
9132813652347005
1031323230002202
119a8711a817776
12361a79a4262a2
1314629ca155b08
147a40a3bb585c
15394bc82e2a52
hex1c7d01ff5c1a

31323230002202 has 16 divisors (see below), whose sum is σ = 49751152786152. Its totient is φ = 14739604753920.

The previous prime is 31323230002123. The next prime is 31323230002213. The reversal of 31323230002202 is 20220003232313.

It can be written as a sum of positive squares in 4 ways, for example, as 28656439755241 + 2666790246961 = 5353171^2 + 1633031^2 .

It is a super-2 number, since 2×313232300022022 (a number of 28 digits) contains 22 as substring.

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, 22398113 + ... + 23755460.

Almost surely, 231323230002202 is an apocalyptic number.

31323230002202 is a deficient number, since it is larger than the sum of its proper divisors (18427922783950).

31323230002202 is a wasteful number, since it uses less digits than its factorization.

31323230002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46173553.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31323230002202 its reverse (20220003232313), we get a palindrome (51543233234515).

The spelling of 31323230002202 in words is "thirty-one trillion, three hundred twenty-three billion, two hundred thirty million, two thousand, two hundred two".

Divisors: 1 2 17 34 19961 39922 339337 678674 46153573 92307146 784610741 1569221482 921271470653 1842542941306 15661615001101 31323230002202