131133223435013 has 8 divisors (see below), whose sum is σ = 142233453253080. Its totient is φ = 120409272593920.

The previous prime is 131133223434977. The next prime is 131133223435021. The reversal of 131133223435013 is 310534322331131.

It can be written as a sum of positive squares in 4 ways, for example, as 19821924561124 + 111311298873889 = 4452182^2 + 10550417^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131133223435013 - 2⁶ = 131133223434949 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 (131133223435033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94069743518 + ... + 94069744911.

It is an arithmetic number, because the mean of its divisors is an integer number (17779181656635).

Almost surely, 2^{131133223435013} is an apocalyptic number.

It is an amenable number.

131133223435013 is a deficient number, since it is larger than the sum of its proper divisors (11100229818067).

131133223435013 is a wasteful number, since it uses less digits than its factorization.

131133223435013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188139488487.

The product of its (nonzero) digits is 58320, while the sum is 35.

Adding to 131133223435013 its reverse (310534322331131), we get a palindrome (441667545766144).

The spelling of 131133223435013 in words is "one hundred thirty-one trillion, one hundred thirty-three billion, two hundred twenty-three million, four hundred thirty-five thousand, thirteen".