1131203303230 has 144 divisors (see below), whose sum is σ = 2769722901792. Its totient is φ = 325460678400.

The previous prime is 1131203303179. The next prime is 1131203303249. The reversal of 1131203303230 is 323033021311.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1036300 + ... + 1826560.

It is an arithmetic number, because the mean of its divisors is an integer number (19234186818).

Almost surely, 2^{1131203303230} is an apocalyptic number.

1131203303230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131203303230 is an abundant number, since it is smaller than the sum of its proper divisors (1638519598562).

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

1131203303230 is a wasteful number, since it uses less digits than its factorization.

1131203303230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790323 (or 790299 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1131203303230 its reverse (323033021311), we get a palindrome (1454236324541).

The spelling of 1131203303230 in words is "one trillion, one hundred thirty-one billion, two hundred three million, three hundred three thousand, two hundred thirty".