1341210321 has 24 divisors (see below), whose sum is σ = 2120223456. Its totient is φ = 810239040.

The previous prime is 1341210313. The next prime is 1341210329. The reversal of 1341210321 is 1230121431.

1341210321 is a `hidden beast` number, since 1 + 341 + 2 + 1 + 0 + 321 = 666.

It is an interprime number because it is at equal distance from previous prime (1341210313) and next prime (1341210329).

It is not a de Polignac number, because 1341210321 - 2³ = 1341210313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1341210294 and 1341210303.

It is not an unprimeable number, because it can be changed into a prime (1341210329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9346 + ... + 52628.

It is an arithmetic number, because the mean of its divisors is an integer number (88342644).

Almost surely, 2^1341210321 is an apocalyptic number.

1341210321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1341210321 is a deficient number, since it is larger than the sum of its proper divisors (779013135).

1341210321 is a wasteful number, since it uses less digits than its factorization.

1341210321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43613 (or 43610 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1341210321 is about 36622.5384292242. The cubic root of 1341210321 is about 1102.8055987185.

Adding to 1341210321 its reverse (1230121431), we get a palindrome (2571331752).

The spelling of 1341210321 in words is "one billion, three hundred forty-one million, two hundred ten thousand, three hundred twenty-one".