30231914 has 4 divisors (see below), whose sum is σ = 45347874. Its totient is φ = 15115956.

The previous prime is 30231911. The next prime is 30231917. The reversal of 30231914 is 41913203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41913203 = 1471 ⋅28493.

It is an interprime number because it is at equal distance from previous prime (30231911) and next prime (30231917).

It can be written as a sum of positive squares in only one way, i.e., 30085225 + 146689 = 5485^2 + 383^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30231914.

It is not an unprimeable number, because it can be changed into a prime (30231911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7557977 + ... + 7557980.

Almost surely, 2^30231914 is an apocalyptic number.

30231914 is a deficient number, since it is larger than the sum of its proper divisors (15115960).

30231914 is a wasteful number, since it uses less digits than its factorization.

30231914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15115959.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 30231914 is about 5498.3555723507. The cubic root of 30231914 is about 311.5218747816.

The spelling of 30231914 in words is "thirty million, two hundred thirty-one thousand, nine hundred fourteen".