131330220523 has 2 divisors, whose sum is σ = 131330220524. Its totient is φ = 131330220522.

The previous prime is 131330220481. The next prime is 131330220559. The reversal of 131330220523 is 325022033131.

It is a strong prime.

It is an emirp because it is prime and its reverse (325022033131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131330220523 - 2²¹ = 131328123371 is a prime.

It is not a weakly prime, because it can be changed into another prime (131330230523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65665110261 + 65665110262.

It is an arithmetic number, because the mean of its divisors is an integer number (65665110262).

Almost surely, 2^131330220523 is an apocalyptic number.

131330220523 is a deficient number, since it is larger than the sum of its proper divisors (1).

131330220523 is an equidigital number, since it uses as much as digits as its factorization.

131330220523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 131330220523 its reverse (325022033131), we get a palindrome (456352253654).

The spelling of 131330220523 in words is "one hundred thirty-one billion, three hundred thirty million, two hundred twenty thousand, five hundred twenty-three".