1313222300 has 72 divisors (see below), whose sum is σ = 3134341056. Its totient is φ = 474543360.

The previous prime is 1313222263. The next prime is 1313222321. The reversal of 1313222300 is 32223131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50354 + ... + 71846.

Almost surely, 2^1313222300 is an apocalyptic number.

1313222300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313222300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1567170528).

1313222300 is an abundant number, since it is smaller than the sum of its proper divisors (1821118756).

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

1313222300 is a wasteful number, since it uses less digits than its factorization.

1313222300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21567 (or 21560 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1313222300 is about 36238.4091814197. The cubic root of 1313222300 is about 1095.0805942778.

Adding to 1313222300 its reverse (32223131), we get a palindrome (1345445431).

The spelling of 1313222300 in words is "one billion, three hundred thirteen million, two hundred twenty-two thousand, three hundred".