1053231320 has 32 divisors (see below), whose sum is σ = 2388441600. Its totient is φ = 417973248.

The previous prime is 1053231299. The next prime is 1053231323. The reversal of 1053231320 is 231323501.

1053231320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1053231320² = 2218592426857884800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1053231292 and 1053231301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053231323) 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, 98585 + ... + 108744.

It is an arithmetic number, because the mean of its divisors is an integer number (74638800).

Almost surely, 2^1053231320 is an apocalyptic number.

1053231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053231320 is an abundant number, since it is smaller than the sum of its proper divisors (1335210280).

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

1053231320 is a wasteful number, since it uses less digits than its factorization.

1053231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207467 (or 207463 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1053231320 is about 32453.5255403785. The cubic root of 1053231320 is about 1017.4379246038.

Adding to 1053231320 its reverse (231323501), we get a palindrome (1284554821).

The spelling of 1053231320 in words is "one billion, fifty-three million, two hundred thirty-one thousand, three hundred twenty".