1089031320 has 96 divisors (see below), whose sum is σ = 3811626000. Its totient is φ = 268068096.

The previous prime is 1089031309. The next prime is 1089031327. The reversal of 1089031320 is 231309801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089031327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111670 + ... + 121029.

Almost surely, 2^1089031320 is an apocalyptic number.

1089031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1089031320 is an abundant number, since it is smaller than the sum of its proper divisors (2722594680).

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

1089031320 is a wasteful number, since it uses less digits than its factorization.

1089031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232729 (or 232722 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1089031320 is about 33000.4745420426. The cubic root of 1089031320 is about 1028.8375108567.

The spelling of 1089031320 in words is "one billion, eighty-nine million, thirty-one thousand, three hundred twenty".