131331013333 has 4 divisors (see below), whose sum is σ = 141433398988. Its totient is φ = 121228627680.

The previous prime is 131331013301. The next prime is 131331013351. The reversal of 131331013333 is 333310133131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 333310133131 = 3677 ⋅90647303.

It can be written as a sum of positive squares in 2 ways, for example, as 81180546084 + 50150467249 = 284922^2 + 223943^2 .

It is a cyclic number.

It is not a de Polignac number, because 131331013333 - 2⁵ = 131331013301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131331013298 and 131331013307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131331013433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5051192808 + ... + 5051192833.

It is an arithmetic number, because the mean of its divisors is an integer number (35358349747).

Almost surely, 2^131331013333 is an apocalyptic number.

131331013333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131331013333 is a deficient number, since it is larger than the sum of its proper divisors (10102385655).

131331013333 is a wasteful number, since it uses less digits than its factorization.

131331013333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10102385654.

The product of its (nonzero) digits is 2187, while the sum is 25.

Adding to 131331013333 its reverse (333310133131), we get a palindrome (464641146464).

The spelling of 131331013333 in words is "one hundred thirty-one billion, three hundred thirty-one million, thirteen thousand, three hundred thirty-three".