11311230220233 has 8 divisors (see below), whose sum is σ = 15737363784768. Its totient is φ = 7212958401264.

The previous prime is 11311230220159. The next prime is 11311230220261. The reversal of 11311230220233 is 33202203211311.

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

It is not a de Polignac number, because 11311230220233 - 2¹⁴ = 11311230203849 is a prime.

It is a super-2 number, since 2×11311230220233² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11311230220733) 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, 81965436310 + ... + 81965436447.

It is an arithmetic number, because the mean of its divisors is an integer number (1967170473096).

Almost surely, 2^{11311230220233} is an apocalyptic number.

It is an amenable number.

11311230220233 is a deficient number, since it is larger than the sum of its proper divisors (4426133564535).

11311230220233 is a wasteful number, since it uses less digits than its factorization.

11311230220233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163930872783.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 11311230220233 its reverse (33202203211311), we get a palindrome (44513433431544).

The spelling of 11311230220233 in words is "eleven trillion, three hundred eleven billion, two hundred thirty million, two hundred twenty thousand, two hundred thirty-three".