131222303131 has 2 divisors, whose sum is σ = 131222303132. Its totient is φ = 131222303130.

The previous prime is 131222303101. The next prime is 131222303161. The reversal of 131222303131 is 131303222131.

It is a balanced prime because it is at equal distance from previous prime (131222303101) and next prime (131222303161).

It is a cyclic number.

It is not a de Polignac number, because 131222303131 - 2¹¹ = 131222301083 is a prime.

It is a super-2 number, since 2×131222303131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131222303101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65611151565 + 65611151566.

It is an arithmetic number, because the mean of its divisors is an integer number (65611151566).

Almost surely, 2^131222303131 is an apocalyptic number.

131222303131 is a deficient number, since it is larger than the sum of its proper divisors (1).

131222303131 is an equidigital number, since it uses as much as digits as its factorization.

131222303131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131222303131 its reverse (131303222131), we get a palindrome (262525525262).

The spelling of 131222303131 in words is "one hundred thirty-one billion, two hundred twenty-two million, three hundred three thousand, one hundred thirty-one".