131223232033 has 16 divisors (see below), whose sum is σ = 140873705280. Its totient is φ = 121788043776.

The previous prime is 131223232027. The next prime is 131223232039. The reversal of 131223232033 is 330232322131.

It is an interprime number because it is at equal distance from previous prime (131223232027) and next prime (131223232039).

It is a cyclic number.

It is not a de Polignac number, because 131223232033 - 2¹⁷ = 131223100961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131223231989 and 131223232007.

It is not an unprimeable number, because it can be changed into a prime (131223232039) 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, 10103938 + ... + 10116916.

It is an arithmetic number, because the mean of its divisors is an integer number (8804606580).

Almost surely, 2^131223232033 is an apocalyptic number.

It is an amenable number.

131223232033 is a deficient number, since it is larger than the sum of its proper divisors (9650473247).

131223232033 is a wasteful number, since it uses less digits than its factorization.

131223232033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21216.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 131223232033 its reverse (330232322131), we get a palindrome (461455554164).

The spelling of 131223232033 in words is "one hundred thirty-one billion, two hundred twenty-three million, two hundred thirty-two thousand, thirty-three".