93030391911 has 4 divisors (see below), whose sum is σ = 124040522552. Its totient is φ = 62020261272.

The previous prime is 93030391897. The next prime is 93030391913. The reversal of 93030391911 is 11919303039.

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

It is not a de Polignac number, because 93030391911 - 2⁵ = 93030391879 is a prime.

It is a super-2 number, since 2×93030391911² (a number of 23 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 93030391911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93030391913) 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, 15505065316 + ... + 15505065321.

It is an arithmetic number, because the mean of its divisors is an integer number (31010130638).

Almost surely, 2^93030391911 is an apocalyptic number.

93030391911 is a deficient number, since it is larger than the sum of its proper divisors (31010130641).

93030391911 is a wasteful number, since it uses less digits than its factorization.

93030391911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31010130640.

The product of its (nonzero) digits is 19683, while the sum is 39.

The spelling of 93030391911 in words is "ninety-three billion, thirty million, three hundred ninety-one thousand, nine hundred eleven".