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31042120230235 = 525229246082843
BaseRepresentation
bin1110000111011100011101…
…00011001010010101011011
311001220121010201202120120101
413003232032203022111123
513032043230234331420
6150004315252240231
76352501451241262
oct703561643122533
9131817121676511
1031042120230235
119988986670384
123594207310077
13144234ab0c33a
147946377d55d9
1538c72423860a
hex1c3b8e8ca55b

31042120230235 has 8 divisors (see below), whose sum is σ = 37252020924720. Its totient is φ = 24832711751904.

The previous prime is 31042120230227. The next prime is 31042120230241. The reversal of 31042120230235 is 53203202124013.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 31042120230235 - 23 = 31042120230227 is a prime.

It is a super-2 number, since 2×310421202302352 (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, 122915277 + ... + 123167566.

It is an arithmetic number, because the mean of its divisors is an integer number (4656502615590).

Almost surely, 231042120230235 is an apocalyptic number.

31042120230235 is a deficient number, since it is larger than the sum of its proper divisors (6209900694485).

31042120230235 is a wasteful number, since it uses less digits than its factorization.

31042120230235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246108077.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 31042120230235 its reverse (53203202124013), we get a palindrome (84245322354248).

The spelling of 31042120230235 in words is "thirty-one trillion, forty-two billion, one hundred twenty million, two hundred thirty thousand, two hundred thirty-five".

Divisors: 1 5 25229 126145 246082843 1230414215 6208424046047 31042120230235