131403032223013 has 4 divisors (see below), whose sum is σ = 131426610737868. Its totient is φ = 131379453708160.

The previous prime is 131403032222983. The next prime is 131403032223019. The reversal of 131403032223013 is 310322230304131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1629970550209 + 129773061672804 = 1276703^2 + 11391798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131403032223013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403032223019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11789249068 + ... + 11789260213.

It is an arithmetic number, because the mean of its divisors is an integer number (32856652684467).

Almost surely, 2^{131403032223013} is an apocalyptic number.

It is an amenable number.

131403032223013 is a deficient number, since it is larger than the sum of its proper divisors (23578514855).

131403032223013 is an equidigital number, since it uses as much as digits as its factorization.

131403032223013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23578514854.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 131403032223013 its reverse (310322230304131), we get a palindrome (441725262527144).

The spelling of 131403032223013 in words is "one hundred thirty-one trillion, four hundred three billion, thirty-two million, two hundred twenty-three thousand, thirteen".