30131241 has 32 divisors (see below), whose sum is σ = 47416320. Its totient is φ = 16665024.

The previous prime is 30131201. The next prime is 30131243. The reversal of 30131241 is 14213103.

It is not a de Polignac number, because 30131241 - 2⁷ = 30131113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30131241.

It is not an unprimeable number, because it can be changed into a prime (30131243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102691 + ... + 102983.

It is an arithmetic number, because the mean of its divisors is an integer number (1481760).

Almost surely, 2^30131241 is an apocalyptic number.

It is an amenable number.

30131241 is a deficient number, since it is larger than the sum of its proper divisors (17285079).

30131241 is a wasteful number, since it uses less digits than its factorization.

30131241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 30131241 is about 5489.1931101028. The cubic root of 30131241 is about 311.1756984623.

Adding to 30131241 its reverse (14213103), we get a palindrome (44344344).

The spelling of 30131241 in words is "thirty million, one hundred thirty-one thousand, two hundred forty-one".