131033212333 has 12 divisors (see below), whose sum is σ = 133686926100. Its totient is φ = 128431187456.

The previous prime is 131033212313. The next prime is 131033212337. The reversal of 131033212333 is 333212330131.

It can be written as a sum of positive squares in 6 ways, for example, as 27762890884 + 103270321449 = 166622^2 + 321357^2 .

It is a de Polignac number, because none of the positive numbers 2^k-131033212333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131033212298 and 131033212307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131033212337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2822493 + ... + 2868541.

It is an arithmetic number, because the mean of its divisors is an integer number (11140577175).

Almost surely, 2^131033212333 is an apocalyptic number.

It is an amenable number.

131033212333 is a deficient number, since it is larger than the sum of its proper divisors (2653713767).

131033212333 is an equidigital number, since it uses as much as digits as its factorization.

131033212333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47168 (or 47115 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 131033212333 its reverse (333212330131), we get a palindrome (464245542464).

The spelling of 131033212333 in words is "one hundred thirty-one billion, thirty-three million, two hundred twelve thousand, three hundred thirty-three".