11031130311 has 4 divisors (see below), whose sum is σ = 14708173752. Its totient is φ = 7354086872.

The previous prime is 11031130277. The next prime is 11031130367. The reversal of 11031130311 is 11303113011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11303113011 = 3 ⋅3767704337.

It is a cyclic number.

It is not a de Polignac number, because 11031130311 - 2⁶ = 11031130247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031130511) 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, 1838521716 + ... + 1838521721.

It is an arithmetic number, because the mean of its divisors is an integer number (3677043438).

Almost surely, 2^11031130311 is an apocalyptic number.

11031130311 is a deficient number, since it is larger than the sum of its proper divisors (3677043441).

11031130311 is an equidigital number, since it uses as much as digits as its factorization.

11031130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677043440.

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 11031130311 its reverse (11303113011), we get a palindrome (22334243322).

The spelling of 11031130311 in words is "eleven billion, thirty-one million, one hundred thirty thousand, three hundred eleven".