30840311926 has 4 divisors (see below), whose sum is σ = 46260467892. Its totient is φ = 15420155962.

The previous prime is 30840311857. The next prime is 30840311933. The reversal of 30840311926 is 62911304803.

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

It is a super-2 number, since 2×30840311926² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7710077980 + ... + 7710077983.

It is an arithmetic number, because the mean of its divisors is an integer number (11565116973).

Almost surely, 2^30840311926 is an apocalyptic number.

30840311926 is a deficient number, since it is larger than the sum of its proper divisors (15420155966).

30840311926 is a wasteful number, since it uses less digits than its factorization.

30840311926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15420155965.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 30840311926 in words is "thirty billion, eight hundred forty million, three hundred eleven thousand, nine hundred twenty-six".