30703523061 has 4 divisors (see below), whose sum is σ = 40938030752. Its totient is φ = 20469015372.

The previous prime is 30703523057. The next prime is 30703523093. The reversal of 30703523061 is 16032530703.

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 30703523061 - 2² = 30703523057 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 (30703523021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5117253841 + ... + 5117253846.

It is an arithmetic number, because the mean of its divisors is an integer number (10234507688).

Almost surely, 2^30703523061 is an apocalyptic number.

It is an amenable number.

30703523061 is a deficient number, since it is larger than the sum of its proper divisors (10234507691).

30703523061 is a wasteful number, since it uses less digits than its factorization.

30703523061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10234507690.

The product of its (nonzero) digits is 11340, while the sum is 30.

The spelling of 30703523061 in words is "thirty billion, seven hundred three million, five hundred twenty-three thousand, sixty-one".