131121223303331 has 8 divisors (see below), whose sum is σ = 134255280893760. Its totient is φ = 128001509226688.

The previous prime is 131121223303327. The next prime is 131121223303393. The reversal of 131121223303331 is 133303322121131.

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 131121223303331 - 2² = 131121223303327 is a prime.

It is a super-2 number, since 2×131121223303331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131121223303294 and 131121223303303.

It is not an unprimeable number, because it can be changed into a prime (131121223303531) 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, 3585859946 + ... + 3585896511.

It is an arithmetic number, because the mean of its divisors is an integer number (16781910111720).

Almost surely, 2^{131121223303331} is an apocalyptic number.

131121223303331 is a deficient number, since it is larger than the sum of its proper divisors (3134057590429).

131121223303331 is an equidigital number, since it uses as much as digits as its factorization.

131121223303331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171756893.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 131121223303331 its reverse (133303322121131), we get a palindrome (264424545424462).

The spelling of 131121223303331 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, two hundred twenty-three million, three hundred three thousand, three hundred thirty-one".