1310201321 has 8 divisors (see below), whose sum is σ = 1539257664. Its totient is φ = 1099469520.

The previous prime is 1310201317. The next prime is 1310201323. The reversal of 1310201321 is 1231020131.

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 1310201321 - 2² = 1310201317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310201296 and 1310201305.

It is not an unprimeable number, because it can be changed into a prime (1310201323) 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, 4580981 + ... + 4581266.

It is an arithmetic number, because the mean of its divisors is an integer number (192407208).

Almost surely, 2^1310201321 is an apocalyptic number.

1310201321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1310201321 is a deficient number, since it is larger than the sum of its proper divisors (229056343).

1310201321 is a wasteful number, since it uses less digits than its factorization.

1310201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9162271.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1310201321 is about 36196.7031786045. The cubic root of 1310201321 is about 1094.2402299565.

Adding to 1310201321 its reverse (1231020131), we get a palindrome (2541221452).

The spelling of 1310201321 in words is "one billion, three hundred ten million, two hundred one thousand, three hundred twenty-one".