1013040320 has 56 divisors (see below), whose sum is σ = 2490142848. Its totient is φ = 392140800.

The previous prime is 1013040307. The next prime is 1013040323. The reversal of 1013040320 is 230403101.

It is a junction number, because it is equal to n+sod(n) for n = 1013040295 and 1013040304.

It is not an unprimeable number, because it can be changed into a prime (1013040323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41141 + ... + 60980.

Almost surely, 2^1013040320 is an apocalyptic number.

1013040320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013040320 is an abundant number, since it is smaller than the sum of its proper divisors (1477102528).

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

1013040320 is a wasteful number, since it uses less digits than its factorization.

1013040320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102169 (or 102159 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1013040320 is about 31828.2943306738. The cubic root of 1013040320 is about 1004.3280145993.

Adding to 1013040320 its reverse (230403101), we get a palindrome (1243443421).

The spelling of 1013040320 in words is "one billion, thirteen million, forty thousand, three hundred twenty".