131033312222023 has 4 divisors (see below), whose sum is σ = 131182044699888. Its totient is φ = 130884579744160.

The previous prime is 131033312222017. The next prime is 131033312222053. The reversal of 131033312222023 is 320222213330131.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131033312222023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131033312221982 and 131033312222000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131033312222053) 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, 74366237611 + ... + 74366239372.

It is an arithmetic number, because the mean of its divisors is an integer number (32795511174972).

Almost surely, 2^{131033312222023} is an apocalyptic number.

131033312222023 is a deficient number, since it is larger than the sum of its proper divisors (148732477865).

131033312222023 is an equidigital number, since it uses as much as digits as its factorization.

131033312222023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148732477864.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 131033312222023 its reverse (320222213330131), we get a palindrome (451255525552154).

The spelling of 131033312222023 in words is "one hundred thirty-one trillion, thirty-three billion, three hundred twelve million, two hundred twenty-two thousand, twenty-three".