131260220551603 has 16 divisors (see below), whose sum is σ = 154211288033376. Its totient is φ = 110145953629440.

The previous prime is 131260220551583. The next prime is 131260220551679. The reversal of 131260220551603 is 306155022062131.

It is a cyclic number.

It is not a de Polignac number, because 131260220551603 - 2¹⁷ = 131260220420531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131260220551703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3967650 + ... + 16681207.

It is an arithmetic number, because the mean of its divisors is an integer number (9638205502086).

Almost surely, 2^{131260220551603} is an apocalyptic number.

131260220551603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131260220551603 is a deficient number, since it is larger than the sum of its proper divisors (22951067481773).

131260220551603 is a wasteful number, since it uses less digits than its factorization.

131260220551603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20693334.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 131260220551603 in words is "one hundred thirty-one trillion, two hundred sixty billion, two hundred twenty million, five hundred fifty-one thousand, six hundred three".