131021333323 has 4 divisors (see below), whose sum is σ = 132599903688. Its totient is φ = 129442762960.

The previous prime is 131021333291. The next prime is 131021333341. The reversal of 131021333323 is 323333120131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131021333323 - 2⁵ = 131021333291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131021333383) 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, 789285058 + ... + 789285223.

It is an arithmetic number, because the mean of its divisors is an integer number (33149975922).

Almost surely, 2^131021333323 is an apocalyptic number.

131021333323 is a deficient number, since it is larger than the sum of its proper divisors (1578570365).

131021333323 is an equidigital number, since it uses as much as digits as its factorization.

131021333323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578570364.

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

Adding to 131021333323 its reverse (323333120131), we get a palindrome (454354453454).

The spelling of 131021333323 in words is "one hundred thirty-one billion, twenty-one million, three hundred thirty-three thousand, three hundred twenty-three".