131320626626 has 32 divisors (see below), whose sum is σ = 242486673408. Its totient is φ = 52096738320.

The previous prime is 131320626599. The next prime is 131320626643. The reversal of 131320626626 is 626626023131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131320626626.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6567890 + ... + 6587853.

It is an arithmetic number, because the mean of its divisors is an integer number (7577708544).

Almost surely, 2^131320626626 is an apocalyptic number.

131320626626 is a deficient number, since it is larger than the sum of its proper divisors (111166046782).

131320626626 is a wasteful number, since it uses less digits than its factorization.

131320626626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13155806.

The product of its (nonzero) digits is 93312, while the sum is 38.

Adding to 131320626626 its reverse (626626023131), we get a palindrome (757946649757).

The spelling of 131320626626 in words is "one hundred thirty-one billion, three hundred twenty million, six hundred twenty-six thousand, six hundred twenty-six".