30111401 has 4 divisors (see below), whose sum is σ = 30202704. Its totient is φ = 30020100.

The previous prime is 30111397. The next prime is 30111427. The reversal of 30111401 is 10411103.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10411103 = 827 ⋅12589.

It is a cyclic number.

It is not a de Polignac number, because 30111401 - 2² = 30111397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30111701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45155 + ... + 45816.

It is an arithmetic number, because the mean of its divisors is an integer number (7550676).

Almost surely, 2^30111401 is an apocalyptic number.

It is an amenable number.

30111401 is a deficient number, since it is larger than the sum of its proper divisors (91303).

30111401 is an equidigital number, since it uses as much as digits as its factorization.

30111401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91302.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 30111401 is about 5487.3856252317. The cubic root of 30111401 is about 311.1073852965.

Adding to 30111401 its reverse (10411103), we get a palindrome (40522504).

The spelling of 30111401 in words is "thirty million, one hundred eleven thousand, four hundred one".