131345425247 has 2 divisors, whose sum is σ = 131345425248. Its totient is φ = 131345425246.

The previous prime is 131345425219. The next prime is 131345425301. The reversal of 131345425247 is 742524543131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131345425247 is a prime.

It is a super-2 number, since 2×131345425247² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131345425207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65672712623 + 65672712624.

It is an arithmetic number, because the mean of its divisors is an integer number (65672712624).

Almost surely, 2^131345425247 is an apocalyptic number.

131345425247 is a deficient number, since it is larger than the sum of its proper divisors (1).

131345425247 is an equidigital number, since it uses as much as digits as its factorization.

131345425247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 41.

Adding to 131345425247 its reverse (742524543131), we get a palindrome (873869968378).

The spelling of 131345425247 in words is "one hundred thirty-one billion, three hundred forty-five million, four hundred twenty-five thousand, two hundred forty-seven".