1313203110 has 32 divisors (see below), whose sum is σ = 3153399552. Its totient is φ = 349997280.

The previous prime is 1313203093. The next prime is 1313203117. The reversal of 1313203110 is 113023131.

It is a super-2 number, since 2×1313203110² = 3449004816227344200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1313203110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313203117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49447 + ... + 71213.

It is an arithmetic number, because the mean of its divisors is an integer number (98543736).

Almost surely, 2^1313203110 is an apocalyptic number.

1313203110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313203110 is an abundant number, since it is smaller than the sum of its proper divisors (1840196442).

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

1313203110 is a wasteful number, since it uses less digits than its factorization.

1313203110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23788.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1313203110 is about 36238.1444061365. The cubic root of 1313203110 is about 1095.0752601469.

Adding to 1313203110 its reverse (113023131), we get a palindrome (1426226241).

The spelling of 1313203110 in words is "one billion, three hundred thirteen million, two hundred three thousand, one hundred ten".