131000030304393 has 4 divisors (see below), whose sum is σ = 174666707072528. Its totient is φ = 87333353536260.

The previous prime is 131000030304389. The next prime is 131000030304433. The reversal of 131000030304393 is 393403030000131.

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 not a de Polignac number, because 131000030304393 - 2² = 131000030304389 is a prime.

It is a super-2 number, since 2×131000030304393² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131000030304393.

It is not an unprimeable number, because it can be changed into a prime (131000030304383) 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, 21833338384063 + ... + 21833338384068.

It is an arithmetic number, because the mean of its divisors is an integer number (43666676768132).

Almost surely, 2^{131000030304393} is an apocalyptic number.

It is an amenable number.

131000030304393 is a deficient number, since it is larger than the sum of its proper divisors (43666676768135).

131000030304393 is an equidigital number, since it uses as much as digits as its factorization.

131000030304393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43666676768134.

The product of its (nonzero) digits is 8748, while the sum is 30.

The spelling of 131000030304393 in words is "one hundred thirty-one trillion, thirty million, three hundred four thousand, three hundred ninety-three".