1321433414 has 8 divisors (see below), whose sum is σ = 2265314448. Its totient is φ = 566328600.

The previous prime is 1321433411. The next prime is 1321433417. The reversal of 1321433414 is 4143341231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1321433411) and next prime (1321433417).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321433411) 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, 47194037 + ... + 47194064.

It is an arithmetic number, because the mean of its divisors is an integer number (283164306).

Almost surely, 2^1321433414 is an apocalyptic number.

1321433414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1321433414 is a deficient number, since it is larger than the sum of its proper divisors (943881034).

1321433414 is an equidigital number, since it uses as much as digits as its factorization.

1321433414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94388110.

The product of its digits is 3456, while the sum is 26.

The square root of 1321433414 is about 36351.5256076000. The cubic root of 1321433414 is about 1097.3582374755.

Adding to 1321433414 its reverse (4143341231), we get a palindrome (5464774645).

The spelling of 1321433414 in words is "one billion, three hundred twenty-one million, four hundred thirty-three thousand, four hundred fourteen".