131021233333 has 8 divisors (see below), whose sum is σ = 132362612928. Its totient is φ = 129683045184.

The previous prime is 131021233309. The next prime is 131021233367. The reversal of 131021233333 is 333332120131.

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

It is not a de Polignac number, because 131021233333 - 2³³ = 122431298741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131021233298 and 131021233307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131021233033) 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, 715291 + ... + 879592.

It is an arithmetic number, because the mean of its divisors is an integer number (16545326616).

Almost surely, 2^131021233333 is an apocalyptic number.

It is an amenable number.

131021233333 is a deficient number, since it is larger than the sum of its proper divisors (1341379595).

131021233333 is a wasteful number, since it uses less digits than its factorization.

131021233333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595723.

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

Adding to 131021233333 its reverse (333332120131), we get a palindrome (464353353464).

The spelling of 131021233333 in words is "one hundred thirty-one billion, twenty-one million, two hundred thirty-three thousand, three hundred thirty-three".