1310113321 has 8 divisors (see below), whose sum is σ = 1429596000. Its totient is φ = 1190694240.

The previous prime is 1310113291. The next prime is 1310113333. The reversal of 1310113321 is 1233110131.

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 1310113321 - 2⁹ = 1310112809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310113295 and 1310113304.

It is not an unprimeable number, because it can be changed into a prime (1310113361) 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, 34005 + ... + 61453.

It is an arithmetic number, because the mean of its divisors is an integer number (178699500).

Almost surely, 2^1310113321 is an apocalyptic number.

1310113321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1310113321 is a deficient number, since it is larger than the sum of its proper divisors (119482679).

1310113321 is a wasteful number, since it uses less digits than its factorization.

1310113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31799.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1310113321 is about 36195.4875778736. The cubic root of 1310113321 is about 1094.2157311016.

Adding to 1310113321 its reverse (1233110131), we get a palindrome (2543223452).

The spelling of 1310113321 in words is "one billion, three hundred ten million, one hundred thirteen thousand, three hundred twenty-one".