1130231020 has 12 divisors (see below), whose sum is σ = 2373485184. Its totient is φ = 452092400.

The previous prime is 1130230999. The next prime is 1130231021. The reversal of 1130231020 is 201320311.

It is a super-3 number, since 3×1130231020³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1130231021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28255756 + ... + 28255795.

It is an arithmetic number, because the mean of its divisors is an integer number (197790432).

Almost surely, 2^1130231020 is an apocalyptic number.

1130231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130231020 is an abundant number, since it is smaller than the sum of its proper divisors (1243254164).

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

1130231020 is a wasteful number, since it uses less digits than its factorization.

1130231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56511560 (or 56511558 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1130231020 is about 33618.9086675936. The cubic root of 1130231020 is about 1041.6514135651.

Adding to 1130231020 its reverse (201320311), we get a palindrome (1331551331).

The spelling of 1130231020 in words is "one billion, one hundred thirty million, two hundred thirty-one thousand, twenty".