1013320340 has 12 divisors (see below), whose sum is σ = 2127972756. Its totient is φ = 405328128.

The previous prime is 1013320279. The next prime is 1013320391. The reversal of 1013320340 is 430233101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 791071876 + 222248464 = 28126^2 + 14908^2 .

It is a super-2 number, since 2×1013320340² = 2053636222915431200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25332989 + ... + 25333028.

It is an arithmetic number, because the mean of its divisors is an integer number (177331063).

Almost surely, 2^1013320340 is an apocalyptic number.

1013320340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013320340 is an abundant number, since it is smaller than the sum of its proper divisors (1114652416).

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

1013320340 is a wasteful number, since it uses less digits than its factorization.

1013320340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50666026 (or 50666024 counting only the distinct ones).

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

The square root of 1013320340 is about 31832.6929429478. The cubic root of 1013320340 is about 1004.4205433357.

Adding to 1013320340 its reverse (430233101), we get a palindrome (1443553441).

The spelling of 1013320340 in words is "one billion, thirteen million, three hundred twenty thousand, three hundred forty".