131422642263 has 32 divisors (see below), whose sum is σ = 219251865600. Its totient is φ = 77080723200.

The previous prime is 131422642223. The next prime is 131422642319. The reversal of 131422642263 is 362246224131.

131422642263 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 2 + 2 + 642 + 2 + 6 + 3 = 666.

It is not a de Polignac number, because 131422642263 - 2⁶ = 131422642199 is a prime.

It is a super-2 number, since 2×131422642263² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131422642223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7127898 + ... + 7146311.

It is an arithmetic number, because the mean of its divisors is an integer number (6851620800).

Almost surely, 2^131422642263 is an apocalyptic number.

131422642263 is a deficient number, since it is larger than the sum of its proper divisors (87829223337).

131422642263 is a wasteful number, since it uses less digits than its factorization.

131422642263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14274260 (or 14274254 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

Adding to 131422642263 its reverse (362246224131), we get a palindrome (493668866394).

The spelling of 131422642263 in words is "one hundred thirty-one billion, four hundred twenty-two million, six hundred forty-two thousand, two hundred sixty-three".