1231010030 has 16 divisors (see below), whose sum is σ = 2236148640. Its totient is φ = 487886112.

The previous prime is 1231010003. The next prime is 1231010051. The reversal of 1231010030 is 300101321.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1231009993 and 1231010020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563594 + ... + 565773.

It is an arithmetic number, because the mean of its divisors is an integer number (139759290).

Almost surely, 2^1231010030 is an apocalyptic number.

1231010030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231010030 is a deficient number, since it is larger than the sum of its proper divisors (1005138610).

1231010030 is a wasteful number, since it uses less digits than its factorization.

1231010030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129483.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1231010030 is about 35085.7525215008. The cubic root of 1231010030 is about 1071.7344652852.

Adding to 1231010030 its reverse (300101321), we get a palindrome (1531111351).

The spelling of 1231010030 in words is "one billion, two hundred thirty-one million, ten thousand, thirty".