1231033030 has 16 divisors (see below), whose sum is σ = 2216538720. Its totient is φ = 492262272.

The previous prime is 1231033007. The next prime is 1231033043. The reversal of 1231033030 is 303301321.

It is a junction number, because it is equal to n+sod(n) for n = 1231032995 and 1231033013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19006 + ... + 53134.

It is an arithmetic number, because the mean of its divisors is an integer number (138533670).

Almost surely, 2^1231033030 is an apocalyptic number.

1231033030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231033030 is a deficient number, since it is larger than the sum of its proper divisors (985505690).

1231033030 is a wasteful number, since it uses less digits than its factorization.

1231033030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37743.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1231033030 is about 35086.0802883423. The cubic root of 1231033030 is about 1071.7411399503.

Adding to 1231033030 its reverse (303301321), we get a palindrome (1534334351).

The spelling of 1231033030 in words is "one billion, two hundred thirty-one million, thirty-three thousand, thirty".