11000000011031 has 2 divisors, whose sum is σ = 11000000011032. Its totient is φ = 11000000011030.

The previous prime is 11000000010973. The next prime is 11000000011067. The reversal of 11000000011031 is 13011000000011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11000000011031 - 2³⁰ = 10998926269207 is a prime.

It is a super-2 number, since 2×11000000011031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11000000013031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500000005515 + 5500000005516.

It is an arithmetic number, because the mean of its divisors is an integer number (5500000005516).

Almost surely, 2^{11000000011031} is an apocalyptic number.

11000000011031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000000011031 is an equidigital number, since it uses as much as digits as its factorization.

11000000011031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3, while the sum is 8.

Adding to 11000000011031 its reverse (13011000000011), we get a palindrome (24011000011042).

The spelling of 11000000011031 in words is "eleven trillion, eleven thousand, thirty-one".