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1331221313230 = 25133122131323
BaseRepresentation
bin10011010111110010111…
…110010011011011001110
311201021010002202111101121
4103113302332103123032
5133302320124010410
62455315444431154
7165114622314244
oct23276276233316
94637102674347
101331221313230
114736277a99a6
12195bbb3a84ba
13986c2506a93
1448607cb0794
1524964d999da
hex135f2f936ce

1331221313230 has 8 divisors (see below), whose sum is σ = 2396198363832. Its totient is φ = 532488525288.

The previous prime is 1331221313189. The next prime is 1331221313267. The reversal of 1331221313230 is 323131221331.

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

It is a junction number, because it is equal to n+sod(n) for n = 1331221313195 and 1331221313204.

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, 66561065652 + ... + 66561065671.

It is an arithmetic number, because the mean of its divisors is an integer number (299524795479).

Almost surely, 21331221313230 is an apocalyptic number.

1331221313230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331221313230 is a deficient number, since it is larger than the sum of its proper divisors (1064977050602).

1331221313230 is a wasteful number, since it uses less digits than its factorization.

1331221313230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133122131330.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1331221313230 its reverse (323131221331), we get a palindrome (1654352534561).

The spelling of 1331221313230 in words is "one trillion, three hundred thirty-one billion, two hundred twenty-one million, three hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 10 133122131323 266244262646 665610656615 1331221313230