30004131 has 16 divisors (see below), whose sum is σ = 41013248. Its totient is φ = 19504800.

The previous prime is 30004057. The next prime is 30004147. The reversal of 30004131 is 13140003.

30004131 is a nontrivial binomial coefficient, being equal to C(7747, 2).

It is not a de Polignac number, because 30004131 - 2¹⁰ = 30003107 is a prime.

It is a super-2 number, since 2×30004131² = 1800495754130322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30004231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22596 + ... + 23886.

It is an arithmetic number, because the mean of its divisors is an integer number (2563328).

Almost surely, 2^30004131 is an apocalyptic number.

30004131 is the 7746-th triangular number.

30004131 is a deficient number, since it is larger than the sum of its proper divisors (11009117).

30004131 is a wasteful number, since it uses less digits than its factorization.

30004131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 30004131 is about 5477.6026690515. The cubic root of 30004131 is about 310.7375121380.

Adding to 30004131 its reverse (13140003), we get a palindrome (43144134).

It can be divided in two parts, 30004 and 131, that added together give a triangular number (30135 = T₂₄₅).

The spelling of 30004131 in words is "thirty million, four thousand, one hundred thirty-one".