1321412330 has 32 divisors (see below), whose sum is σ = 2836525824. Its totient is φ = 433357056.

The previous prime is 1321412303. The next prime is 1321412357. The reversal of 1321412330 is 332141231.

It is an interprime number because it is at equal distance from previous prime (1321412303) and next prime (1321412357).

It is a super-2 number, since 2×1321412330² = 3492261091752057800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408767 + ... + 411986.

It is an arithmetic number, because the mean of its divisors is an integer number (88641432).

Almost surely, 2^1321412330 is an apocalyptic number.

1321412330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321412330 is an abundant number, since it is smaller than the sum of its proper divisors (1515113494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321412330 is a wasteful number, since it uses less digits than its factorization.

1321412330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820790.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1321412330 is about 36351.2356048594. The cubic root of 1321412330 is about 1097.3524011809.

Adding to 1321412330 its reverse (332141231), we get a palindrome (1653553561).

The spelling of 1321412330 in words is "one billion, three hundred twenty-one million, four hundred twelve thousand, three hundred thirty".