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1210023201331 = 7199097918807
BaseRepresentation
bin10001100110111011000…
…000001100101000110011
311021200021121010111100101
4101212323000030220303
5124311111414420311
62323513232333231
7153264334336240
oct21467300145063
94250247114311
101210023201331
1142719360865a
121766163a4217
138a149039779
14427cb7aa5c7
152171eb2cec1
hex119bb00ca33

1210023201331 has 8 divisors (see below), whose sum is σ = 1455667009280. Its totient is φ = 982575231048.

The previous prime is 1210023201281. The next prime is 1210023201353. The reversal of 1210023201331 is 1331023200121.

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 1210023201331 - 29 = 1210023200819 is a prime.

It is a super-2 number, since 2×12100232013312 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1210023201299 and 1210023201308.

It is not an unprimeable number, because it can be changed into a prime (1210023201631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4548959271 + ... + 4548959536.

It is an arithmetic number, because the mean of its divisors is an integer number (181958376160).

Almost surely, 21210023201331 is an apocalyptic number.

1210023201331 is a deficient number, since it is larger than the sum of its proper divisors (245643807949).

1210023201331 is an equidigital number, since it uses as much as digits as its factorization.

1210023201331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9097918833.

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

Adding to 1210023201331 its reverse (1331023200121), we get a palindrome (2541046401452).

The spelling of 1210023201331 in words is "one trillion, two hundred ten billion, twenty-three million, two hundred one thousand, three hundred thirty-one".

Divisors: 1 7 19 133 9097918807 63685431649 172860457333 1210023201331