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240351130031 = 498014826231
BaseRepresentation
bin1101111111011000001…
…0110011000110101111
3211222101111001110211212
43133312002303012233
512414214342130111
6302225450505035
723236060616345
oct3376602630657
9758344043755
10240351130031
1192a28a46451
123a6b913517b
131988506208c
14b8c1171995
1563babb998b
hex37f60b31af

240351130031 has 4 divisors (see below), whose sum is σ = 240356006064. Its totient is φ = 240346254000.

The previous prime is 240351129989. The next prime is 240351130067. The reversal of 240351130031 is 130031153042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240351130031 - 222 = 240346935727 is a prime.

It is a super-2 number, since 2×2403511300312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240351129979 and 240351130006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240351138031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2363315 + ... + 2462916.

It is an arithmetic number, because the mean of its divisors is an integer number (60089001516).

Almost surely, 2240351130031 is an apocalyptic number.

240351130031 is a deficient number, since it is larger than the sum of its proper divisors (4876033).

240351130031 is an equidigital number, since it uses as much as digits as its factorization.

240351130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876032.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 240351130031 its reverse (130031153042), we get a palindrome (370382283073).

The spelling of 240351130031 in words is "two hundred forty billion, three hundred fifty-one million, one hundred thirty thousand, thirty-one".

Divisors: 1 49801 4826231 240351130031