131020233233 has 16 divisors (see below), whose sum is σ = 135807598080. Its totient is φ = 126251131776.

The previous prime is 131020233199. The next prime is 131020233251. The reversal of 131020233233 is 332332020131.

It is a cyclic number.

It is not a de Polignac number, because 131020233233 - 2⁸ = 131020232977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131020233199 and 131020233208.

It is not an unprimeable number, because it can be changed into a prime (131020253233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50063741 + ... + 50066357.

It is an arithmetic number, because the mean of its divisors is an integer number (8487974880).

Almost surely, 2^131020233233 is an apocalyptic number.

It is an amenable number.

131020233233 is a deficient number, since it is larger than the sum of its proper divisors (4787364847).

131020233233 is a wasteful number, since it uses less digits than its factorization.

131020233233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 131020233233 its reverse (332332020131), we get a palindrome (463352253364).

The spelling of 131020233233 in words is "one hundred thirty-one billion, twenty million, two hundred thirty-three thousand, two hundred thirty-three".