30103405311 has 16 divisors (see below), whose sum is σ = 47453644800. Its totient is φ = 16608775008.

The previous prime is 30103405289. The next prime is 30103405349. The reversal of 30103405311 is 11350430103.

It is not a de Polignac number, because 30103405311 - 2⁶ = 30103405247 is a prime.

It is a super-2 number, since 2×30103405311² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103405351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24714831 + ... + 24716048.

It is an arithmetic number, because the mean of its divisors is an integer number (2965852800).

Almost surely, 2^30103405311 is an apocalyptic number.

30103405311 is a deficient number, since it is larger than the sum of its proper divisors (17350239489).

30103405311 is a wasteful number, since it uses less digits than its factorization.

30103405311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49430918.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 30103405311 its reverse (11350430103), we get a palindrome (41453835414).

The spelling of 30103405311 in words is "thirty billion, one hundred three million, four hundred five thousand, three hundred eleven".