1131313033121 has 4 divisors (see below), whose sum is σ = 1131430508544. Its totient is φ = 1131195557700.

The previous prime is 1131313033093. The next prime is 1131313033127. The reversal of 1131313033121 is 1213303131311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1131313033121 - 2¹⁸ = 1131312770977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1131313033127) 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, 58723265 + ... + 58742526.

It is an arithmetic number, because the mean of its divisors is an integer number (282857627136).

Almost surely, 2^{1131313033121} is an apocalyptic number.

It is an amenable number.

1131313033121 is a deficient number, since it is larger than the sum of its proper divisors (117475423).

1131313033121 is an equidigital number, since it uses as much as digits as its factorization.

1131313033121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117475422.

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

Adding to 1131313033121 its reverse (1213303131311), we get a palindrome (2344616164432).

The spelling of 1131313033121 in words is "one trillion, one hundred thirty-one billion, three hundred thirteen million, thirty-three thousand, one hundred twenty-one".