131121120223 has 8 divisors (see below), whose sum is σ = 134324968176. Its totient is φ = 127917547200.

The previous prime is 131121120199. The next prime is 131121120259. The reversal of 131121120223 is 322021121131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131121120223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131121120223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131121120623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163133 + ... + 1270873.

It is an arithmetic number, because the mean of its divisors is an integer number (16790621022).

Almost surely, 2^131121120223 is an apocalyptic number.

131121120223 is a deficient number, since it is larger than the sum of its proper divisors (3203847953).

131121120223 is a wasteful number, since it uses less digits than its factorization.

131121120223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137465.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 131121120223 its reverse (322021121131), we get a palindrome (453142241354).

The spelling of 131121120223 in words is "one hundred thirty-one billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twenty-three".