30231413 has 4 divisors (see below), whose sum is σ = 31822560. Its totient is φ = 28640268.

The previous prime is 30231403. The next prime is 30231433. The reversal of 30231413 is 31413203.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30231413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30231391 and 30231400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231403) 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, 795545 + ... + 795582.

It is an arithmetic number, because the mean of its divisors is an integer number (7955640).

Almost surely, 2^30231413 is an apocalyptic number.

It is an amenable number.

30231413 is a deficient number, since it is larger than the sum of its proper divisors (1591147).

30231413 is a wasteful number, since it uses less digits than its factorization.

30231413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591146.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30231413 is about 5498.3100130858. The cubic root of 30231413 is about 311.5201539365.

Adding to 30231413 its reverse (31413203), we get a palindrome (61644616).

The spelling of 30231413 in words is "thirty million, two hundred thirty-one thousand, four hundred thirteen".