1312321341 has 8 divisors (see below), whose sum is σ = 1852689024. Its totient is φ = 823417280.

The previous prime is 1312321337. The next prime is 1312321391. The reversal of 1312321341 is 1431232131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312321341 - 2² = 1312321337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312321301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12865845 + ... + 12865946.

It is an arithmetic number, because the mean of its divisors is an integer number (231586128).

Almost surely, 2^1312321341 is an apocalyptic number.

It is an amenable number.

1312321341 is a deficient number, since it is larger than the sum of its proper divisors (540367683).

1312321341 is a wasteful number, since it uses less digits than its factorization.

1312321341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25731811.

The product of its digits is 432, while the sum is 21.

The square root of 1312321341 is about 36225.9760531031. The cubic root of 1312321341 is about 1094.8301039552.

Adding to 1312321341 its reverse (1431232131), we get a palindrome (2743553472).

The spelling of 1312321341 in words is "one billion, three hundred twelve million, three hundred twenty-one thousand, three hundred forty-one".