1131131133203 has 4 divisors (see below), whose sum is σ = 1190664350760. Its totient is φ = 1071597915648.

The previous prime is 1131131133179. The next prime is 1131131133217. The reversal of 1131131133203 is 3023311311311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131131133203 is a prime.

It is a super-2 number, since 2×1131131133203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131134133203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29766608750 + ... + 29766608787.

It is an arithmetic number, because the mean of its divisors is an integer number (297666087690).

Almost surely, 2^{1131131133203} is an apocalyptic number.

1131131133203 is a deficient number, since it is larger than the sum of its proper divisors (59533217557).

1131131133203 is an equidigital number, since it uses as much as digits as its factorization.

1131131133203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59533217556.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1131131133203 its reverse (3023311311311), we get a palindrome (4154442444514).

The spelling of 1131131133203 in words is "one trillion, one hundred thirty-one billion, one hundred thirty-one million, one hundred thirty-three thousand, two hundred three".