30103011 has 12 divisors (see below), whose sum is σ = 45770920. Its totient is φ = 19012320.

The previous prime is 30103009. The next prime is 30103019. The reversal of 30103011 is 11030103.

It is not a de Polignac number, because 30103011 - 2¹ = 30103009 is a prime.

It is a super-2 number, since 2×30103011² = 1812382542532242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30102984 and 30103002.

It is not an unprimeable number, because it can be changed into a prime (30103019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87850 + ... + 88191.

Almost surely, 2^30103011 is an apocalyptic number.

30103011 is a deficient number, since it is larger than the sum of its proper divisors (15667909).

30103011 is a wasteful number, since it uses less digits than its factorization.

30103011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176066 (or 176063 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 30103011 is about 5486.6210913457. The cubic root of 30103011 is about 311.0784877876.

Adding to 30103011 its reverse (11030103), we get a palindrome (41133114).

It can be divided in two parts, 30 and 103011, that added together give a square (103041 = 321²).

The spelling of 30103011 in words is "thirty million, one hundred three thousand, eleven".