305341540542631 has 4 divisors (see below), whose sum is σ = 323302807633392. Its totient is φ = 287380273451872.

The previous prime is 305341540542583. The next prime is 305341540542739. The reversal of 305341540542631 is 136245045143503.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 305341540542631 - 2⁹ = 305341540542119 is a prime.

It is a super-2 number, since 2×305341540542631² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305341540542931) 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, 8980633545355 + ... + 8980633545388.

It is an arithmetic number, because the mean of its divisors is an integer number (80825701908348).

Almost surely, 2^{305341540542631} is an apocalyptic number.

305341540542631 is a deficient number, since it is larger than the sum of its proper divisors (17961267090761).

305341540542631 is a wasteful number, since it uses less digits than its factorization.

305341540542631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17961267090760.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 305341540542631 in words is "three hundred five trillion, three hundred forty-one billion, five hundred forty million, five hundred forty-two thousand, six hundred thirty-one".