1313110121 has 8 divisors (see below), whose sum is σ = 1426809600. Its totient is φ = 1203869520.

The previous prime is 1313110093. The next prime is 1313110147. The reversal of 1313110121 is 1210113131.

It is a happy number.

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 1313110121 - 2¹⁰ = 1313109097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313110096 and 1313110105.

It is not an unprimeable number, because it can be changed into a prime (1313110151) 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, 1114106 + ... + 1115283.

It is an arithmetic number, because the mean of its divisors is an integer number (178351200).

Almost surely, 2^1313110121 is an apocalyptic number.

It is an amenable number.

1313110121 is a deficient number, since it is larger than the sum of its proper divisors (113699479).

1313110121 is a wasteful number, since it uses less digits than its factorization.

1313110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229439.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1313110121 is about 36236.8613569111. The cubic root of 1313110121 is about 1095.0494118081.

Adding to 1313110121 its reverse (1210113131), we get a palindrome (2523223252).

The spelling of 1313110121 in words is "one billion, three hundred thirteen million, one hundred ten thousand, one hundred twenty-one".