11315120333231 has 16 divisors (see below), whose sum is σ = 13303305996288. Its totient is φ = 9488050322400.

The previous prime is 11315120333161. The next prime is 11315120333327. The reversal of 11315120333231 is 13233302151311.

It is not a de Polignac number, because 11315120333231 - 2¹⁴ = 11315120316847 is a prime.

It is a super-2 number, since 2×11315120333231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11315120333194 and 11315120333203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11315120333131) 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, 29624375 + ... + 30003896.

It is an arithmetic number, because the mean of its divisors is an integer number (831456624768).

Almost surely, 2^{11315120333231} is an apocalyptic number.

11315120333231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11315120333231 is a deficient number, since it is larger than the sum of its proper divisors (1988185663057).

11315120333231 is a wasteful number, since it uses less digits than its factorization.

11315120333231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59629622.

The product of its (nonzero) digits is 4860, while the sum is 29.

Adding to 11315120333231 its reverse (13233302151311), we get a palindrome (24548422484542).

The spelling of 11315120333231 in words is "eleven trillion, three hundred fifteen billion, one hundred twenty million, three hundred thirty-three thousand, two hundred thirty-one".