Adding to 1313031040 its reverse (401303131), we get a palindrome (1714334171).
It is a congruent number.
It is an unprimeable number.
Almost surely, 21313031040 is an apocalyptic number.
1313031040 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 1313031040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728532800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1313031040 is a wasteful number, since it uses less digits than its factorization.
1313031040 is an odious number, because the sum of its binary digits is odd.
The square root of 1313031040 is about 36235.7701725795. The cubic root of 1313031040 is about 1095.0274285436.
The spelling of 1313031040 in words is "one billion, three hundred thirteen million, thirty-one thousand, forty".