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1313003044031 = 7387474840939
BaseRepresentation
bin10011000110110101000…
…101000111110010111111
311122112002102212112022112
4103012311011013302333
5133003012234402111
62443104004004235
7163601303504630
oct23066505076277
94575072775275
101313003044031
11466928a96678
1219257609067b
1396a7acc3833
144779a4a7887
152424a778e8b
hex131b5147cbf

1313003044031 has 8 divisors (see below), whose sum is σ = 1500613944960. Its totient is φ = 1125401902488.

The previous prime is 1313003043997. The next prime is 1313003044127. The reversal of 1313003044031 is 1304403003131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1313003044031 is a prime.

It is a super-2 number, since 2×13130030440312 (a number of 25 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 = 1313003043988 and 1313003044006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313003004031) 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 7 ways as a sum of consecutive naturals, for example, 2149241 + ... + 2691698.

It is an arithmetic number, because the mean of its divisors is an integer number (187576743120).

Almost surely, 21313003044031 is an apocalyptic number.

1313003044031 is a deficient number, since it is larger than the sum of its proper divisors (187610900929).

1313003044031 is an equidigital number, since it uses as much as digits as its factorization.

1313003044031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4879693.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1313003044031 its reverse (1304403003131), we get a palindrome (2617406047162).

The spelling of 1313003044031 in words is "one trillion, three hundred thirteen billion, three million, forty-four thousand, thirty-one".

Divisors: 1 7 38747 271229 4840939 33886573 187571863433 1313003044031