1243030103030 has 64 divisors (see below), whose sum is σ = 2311996115520. Its totient is φ = 480814963200.

The previous prime is 1243030103017. The next prime is 1243030103039. The reversal of 1243030103030 is 303010303421.

It is a junction number, because it is equal to n+sod(n) for n = 1243030102993 and 1243030103011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243030103039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138556445 + ... + 138565415.

It is an arithmetic number, because the mean of its divisors is an integer number (36124939305).

Almost surely, 2^{1243030103030} is an apocalyptic number.

1243030103030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243030103030 is a deficient number, since it is larger than the sum of its proper divisors (1068966012490).

1243030103030 is a wasteful number, since it uses less digits than its factorization.

1243030103030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11265.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1243030103030 its reverse (303010303421), we get a palindrome (1546040406451).

The spelling of 1243030103030 in words is "one trillion, two hundred forty-three billion, thirty million, one hundred three thousand, thirty".