13776530131 has 16 divisors (see below), whose sum is σ = 16961079744. Its totient is φ = 10896672384.

The previous prime is 13776530129. The next prime is 13776530167. The reversal of 13776530131 is 13103567731.

13776530131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13776530131 - 2¹ = 13776530129 is a prime.

It is a super-2 number, since 2×13776530131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13776530191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288405 + ... + 332761.

It is an arithmetic number, because the mean of its divisors is an integer number (1060067484).

Almost surely, 2^13776530131 is an apocalyptic number.

13776530131 is a deficient number, since it is larger than the sum of its proper divisors (3184549613).

13776530131 is a wasteful number, since it uses less digits than its factorization.

13776530131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47790.

The product of its (nonzero) digits is 39690, while the sum is 37.

The spelling of 13776530131 in words is "thirteen billion, seven hundred seventy-six million, five hundred thirty thousand, one hundred thirty-one".