30523021011 has 48 divisors (see below), whose sum is σ = 52038924288. Its totient is φ = 16870550400.

The previous prime is 30523020893. The next prime is 30523021019. The reversal of 30523021011 is 11012032503.

It is not a de Polignac number, because 30523021011 - 2¹⁰ = 30523019987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30523021019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7577580 + ... + 7581606.

It is an arithmetic number, because the mean of its divisors is an integer number (1084144256).

Almost surely, 2^30523021011 is an apocalyptic number.

30523021011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30523021011 is a deficient number, since it is larger than the sum of its proper divisors (21515903277).

30523021011 is a wasteful number, since it uses less digits than its factorization.

30523021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7952 (or 7949 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 30523021011 its reverse (11012032503), we get a palindrome (41535053514).

The spelling of 30523021011 in words is "thirty billion, five hundred twenty-three million, twenty-one thousand, eleven".