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1230213330331 = 9411307346791
BaseRepresentation
bin10001111001101110011…
…011011011010110011011
311100121101200102022112221
4101321232123123112123
5130123434103032311
62341052513044511
7154610555526136
oct21715633332633
94317350368487
101230213330331
11434804398387
1217a50bb56737
138c015c2376b
144378502521d
1522002403671
hex11e6e6db59b

1230213330331 has 4 divisors (see below), whose sum is σ = 1231520678064. Its totient is φ = 1228905982600.

The previous prime is 1230213330253. The next prime is 1230213330347. The reversal of 1230213330331 is 1330333120321.

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 1230213330331 - 229 = 1229676459419 is a prime.

It is a super-2 number, since 2×12302133303312 (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 = 1230213330296 and 1230213330305.

It is not an unprimeable number, because it can be changed into a prime (1230213330371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653672455 + ... + 653674336.

It is an arithmetic number, because the mean of its divisors is an integer number (307880169516).

Almost surely, 21230213330331 is an apocalyptic number.

1230213330331 is a deficient number, since it is larger than the sum of its proper divisors (1307347733).

1230213330331 is an equidigital number, since it uses as much as digits as its factorization.

1230213330331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307347732.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1230213330331 its reverse (1330333120321), we get a palindrome (2560546450652).

The spelling of 1230213330331 in words is "one trillion, two hundred thirty billion, two hundred thirteen million, three hundred thirty thousand, three hundred thirty-one".

Divisors: 1 941 1307346791 1230213330331