1131303213203 has 8 divisors (see below), whose sum is σ = 1161909687360. Its totient is φ = 1100698355520.

The previous prime is 1131303213181. The next prime is 1131303213217. The reversal of 1131303213203 is 3023123031311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131303213203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131303219203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088063 + ... + 1856471.

It is an arithmetic number, because the mean of its divisors is an integer number (145238710920).

Almost surely, 2^{1131303213203} is an apocalyptic number.

1131303213203 is a deficient number, since it is larger than the sum of its proper divisors (30606474157).

1131303213203 is an equidigital number, since it uses as much as digits as its factorization.

1131303213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808237.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1131303213203 its reverse (3023123031311), we get a palindrome (4154426244514).

The spelling of 1131303213203 in words is "one trillion, one hundred thirty-one billion, three hundred three million, two hundred thirteen thousand, two hundred three".