131013021413 has 4 divisors (see below), whose sum is σ = 131029063488. Its totient is φ = 130996979340.

The previous prime is 131013021409. The next prime is 131013021421. The reversal of 131013021413 is 314120310131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131013021413 - 2² = 131013021409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131013021463) 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 3 ways as a sum of consecutive naturals, for example, 8008781 + ... + 8025122.

It is an arithmetic number, because the mean of its divisors is an integer number (32757265872).

Almost surely, 2^131013021413 is an apocalyptic number.

It is an amenable number.

131013021413 is a deficient number, since it is larger than the sum of its proper divisors (16042075).

131013021413 is an equidigital number, since it uses as much as digits as its factorization.

131013021413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16042074.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131013021413 its reverse (314120310131), we get a palindrome (445133331544).

The spelling of 131013021413 in words is "one hundred thirty-one billion, thirteen million, twenty-one thousand, four hundred thirteen".