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1311210003430 = 25131121000343
BaseRepresentation
bin10011000101001010001…
…101001101101111100110
311122100110110221122000101
4103011022031031233212
5132440324230102210
62442210032534314
7163506002064205
oct23051215155746
94570413848011
101311210003430
11466098955738
121921556b139a
139685369c372
144766a2c323c
1524193147a3a
hex1314a34dbe6

1311210003430 has 8 divisors (see below), whose sum is σ = 2360178006192. Its totient is φ = 524484001368.

The previous prime is 1311210003359. The next prime is 1311210003443. The reversal of 1311210003430 is 343000121131.

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

It is a super-2 number, since 2×13112100034302 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311210003398 and 1311210003407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65560500162 + ... + 65560500181.

It is an arithmetic number, because the mean of its divisors is an integer number (295022250774).

Almost surely, 21311210003430 is an apocalyptic number.

1311210003430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311210003430 is a deficient number, since it is larger than the sum of its proper divisors (1048968002762).

1311210003430 is a wasteful number, since it uses less digits than its factorization.

1311210003430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131121000350.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1311210003430 its reverse (343000121131), we get a palindrome (1654210124561).

The spelling of 1311210003430 in words is "one trillion, three hundred eleven billion, two hundred ten million, three thousand, four hundred thirty".

Divisors: 1 2 5 10 131121000343 262242000686 655605001715 1311210003430