131021133311 has 8 divisors (see below), whose sum is σ = 132267018960. Its totient is φ = 129775643968.

The previous prime is 131021133263. The next prime is 131021133319. The reversal of 131021133311 is 113331120131.

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 131021133311 - 2¹⁴ = 131021116927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131021133319) 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, 587795 + ... + 779451.

It is an arithmetic number, because the mean of its divisors is an integer number (16533377370).

Almost surely, 2^131021133311 is an apocalyptic number.

131021133311 is a deficient number, since it is larger than the sum of its proper divisors (1245885649).

131021133311 is a wasteful number, since it uses less digits than its factorization.

131021133311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198153.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 131021133311 its reverse (113331120131), we get a palindrome (244352253442).

The spelling of 131021133311 in words is "one hundred thirty-one billion, twenty-one million, one hundred thirty-three thousand, three hundred eleven".