1313201023 has 8 divisors (see below), whose sum is σ = 1391627520. Its totient is φ = 1234905600.

The previous prime is 1313200969. The next prime is 1313201039. The reversal of 1313201023 is 3201023131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313201023 is a prime.

It is a super-3 number, since 3×1313201023³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313200988 and 1313201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313201053) 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, 11743 + ... + 52576.

It is an arithmetic number, because the mean of its divisors is an integer number (173953440).

Almost surely, 2^1313201023 is an apocalyptic number.

1313201023 is a deficient number, since it is larger than the sum of its proper divisors (78426497).

1313201023 is a wasteful number, since it uses less digits than its factorization.

1313201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65537.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1313201023 is about 36238.1156105005. The cubic root of 1313201023 is about 1095.0746800327.

Adding to 1313201023 its reverse (3201023131), we get a palindrome (4514224154).

The spelling of 1313201023 in words is "one billion, three hundred thirteen million, two hundred one thousand, twenty-three".