1321313230 has 8 divisors (see below), whose sum is σ = 2378363832. Its totient is φ = 528525288.

The previous prime is 1321313197. The next prime is 1321313243. The reversal of 1321313230 is 323131231.

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

It is a junction number, because it is equal to n+sod(n) for n = 1321313198 and 1321313207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66065652 + ... + 66065671.

It is an arithmetic number, because the mean of its divisors is an integer number (297295479).

Almost surely, 2^1321313230 is an apocalyptic number.

1321313230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321313230 is a deficient number, since it is larger than the sum of its proper divisors (1057050602).

1321313230 is a wasteful number, since it uses less digits than its factorization.

1321313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132131330.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1321313230 is about 36349.8724894600. The cubic root of 1321313230 is about 1097.3249683251.

Adding to 1321313230 its reverse (323131231), we get a palindrome (1644444461).

The spelling of 1321313230 in words is "one billion, three hundred twenty-one million, three hundred thirteen thousand, two hundred thirty".