1313323110 has 144 divisors (see below), whose sum is σ = 3801116592. Its totient is φ = 314328960.

The previous prime is 1313323057. The next prime is 1313323127. The reversal of 1313323110 is 113233131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 903144 + ... + 904596.

It is an arithmetic number, because the mean of its divisors is an integer number (26396643).

Almost surely, 2^1313323110 is an apocalyptic number.

1313323110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313323110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1900558296).

1313323110 is an abundant number, since it is smaller than the sum of its proper divisors (2487793482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313323110 is a wasteful number, since it uses less digits than its factorization.

1313323110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1313323110 is about 36239.8000822300. The cubic root of 1313323110 is about 1095.1086149844.

Adding to 1313323110 its reverse (113233131), we get a palindrome (1426556241).

It can be divided in two parts, 1313 and 323110, that added together give a palindrome (324423).

The spelling of 1313323110 in words is "one billion, three hundred thirteen million, three hundred twenty-three thousand, one hundred ten".