30245131 has 8 divisors (see below), whose sum is σ = 36385280. Its totient is φ = 24559848.

The previous prime is 30245129. The next prime is 30245143. The reversal of 30245131 is 13154203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30245131 - 2¹ = 30245129 is a prime.

It is a super-2 number, since 2×30245131² = 1829535898414322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30245099 and 30245108.

It is not an unprimeable number, because it can be changed into a prime (30245101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113571 + ... + 113836.

It is an arithmetic number, because the mean of its divisors is an integer number (4548160).

Almost surely, 2^30245131 is an apocalyptic number.

30245131 is a deficient number, since it is larger than the sum of its proper divisors (6140149).

30245131 is a wasteful number, since it uses less digits than its factorization.

30245131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227433.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 30245131 is about 5499.5573458234. The cubic root of 30245131 is about 311.5672659394.

Adding to 30245131 its reverse (13154203), we get a palindrome (43399334).

The spelling of 30245131 in words is "thirty million, two hundred forty-five thousand, one hundred thirty-one".