1231444002030 has 128 divisors (see below), whose sum is σ = 3289016779776. Its totient is φ = 292584960000.

The previous prime is 1231444002017. The next prime is 1231444002031. The reversal of 1231444002030 is 302004441321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231444002031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3110280 + ... + 3483780.

It is an arithmetic number, because the mean of its divisors is an integer number (25695443592).

Almost surely, 2^{1231444002030} is an apocalyptic number.

1231444002030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1231444002030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1644508389888).

1231444002030 is an abundant number, since it is smaller than the sum of its proper divisors (2057572777746).

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

1231444002030 is a wasteful number, since it uses less digits than its factorization.

1231444002030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373722.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1231444002030 its reverse (302004441321), we get a palindrome (1533448443351).

The spelling of 1231444002030 in words is "one trillion, two hundred thirty-one billion, four hundred forty-four million, two thousand, thirty".