1040031320 has 32 divisors (see below), whose sum is σ = 2341455120. Its totient is φ = 415766400.

The previous prime is 1040031313. The next prime is 1040031337. The reversal of 1040031320 is 231300401.

It is a super-3 number, since 3×1040031320³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1040031295 and 1040031304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70595 + ... + 84045.

Almost surely, 2^1040031320 is an apocalyptic number.

1040031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040031320 is an abundant number, since it is smaller than the sum of its proper divisors (1301423800).

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

1040031320 is a wasteful number, since it uses less digits than its factorization.

1040031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15395 (or 15391 counting only the distinct ones).

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

The square root of 1040031320 is about 32249.5165855242. The cubic root of 1040031320 is about 1013.1695742798.

Adding to 1040031320 its reverse (231300401), we get a palindrome (1271331721).

The spelling of 1040031320 in words is "one billion, forty million, thirty-one thousand, three hundred twenty".