11154420230331 has 16 divisors (see below), whose sum is σ = 17212366361600. Its totient is φ = 6293271449088.

The previous prime is 11154420230311. The next prime is 11154420230389. The reversal of 11154420230331 is 13303202445111.

It is not a de Polignac number, because 11154420230331 - 2⁶ = 11154420230267 is a prime.

It is a super-2 number, since 2×11154420230331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11154420230311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3361788646 + ... + 3361791963.

It is an arithmetic number, because the mean of its divisors is an integer number (1075772897600).

Almost surely, 2^{11154420230331} is an apocalyptic number.

11154420230331 is a deficient number, since it is larger than the sum of its proper divisors (6057946131269).

11154420230331 is an equidigital number, since it uses as much as digits as its factorization.

11154420230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723580698.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 11154420230331 its reverse (13303202445111), we get a palindrome (24457622675442).

The spelling of 11154420230331 in words is "eleven trillion, one hundred fifty-four billion, four hundred twenty million, two hundred thirty thousand, three hundred thirty-one".