111311132333131 has 8 divisors (see below), whose sum is σ = 115172435901600. Its totient is φ = 107451361342080.

The previous prime is 111311132333069. The next prime is 111311132333171. The reversal of 111311132333131 is 131333231113111.

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

It is a cyclic number.

It is not a de Polignac number, because 111311132333131 - 2²⁷ = 111310998115403 is a prime.

It is a super-2 number, since 2×111311132333131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111311132333131.

It is not an unprimeable number, because it can be changed into a prime (111311132333171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382996575 + ... + 383287096.

It is an arithmetic number, because the mean of its divisors is an integer number (14396554487700).

Almost surely, 2^{111311132333131} is an apocalyptic number.

111311132333131 is a deficient number, since it is larger than the sum of its proper divisors (3861303568469).

111311132333131 is an equidigital number, since it uses as much as digits as its factorization.

111311132333131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766288709.

The product of its digits is 1458, while the sum is 28.

Adding to 111311132333131 its reverse (131333231113111), we get a palindrome (242644363446242).

The spelling of 111311132333131 in words is "one hundred eleven trillion, three hundred eleven billion, one hundred thirty-two million, three hundred thirty-three thousand, one hundred thirty-one".