30404031 has 8 divisors (see below), whose sum is σ = 46329984. Its totient is φ = 17373720.

The previous prime is 30404029. The next prime is 30404039. The reversal of 30404031 is 13040403.

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

It is not a de Polignac number, because 30404031 - 2¹ = 30404029 is a prime.

It is a super-2 number, since 2×30404031² = 1848810202097922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30404031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30404039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723885 + ... + 723926.

It is an arithmetic number, because the mean of its divisors is an integer number (5791248).

Almost surely, 2^30404031 is an apocalyptic number.

30404031 is a deficient number, since it is larger than the sum of its proper divisors (15925953).

30404031 is a wasteful number, since it uses less digits than its factorization.

30404031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447821.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30404031 is about 5513.9850380646. The cubic root of 30404031 is about 312.1119441333. Note that the first 3 decimals are identical.

Adding to 30404031 its reverse (13040403), we get a palindrome (43444434).

The spelling of 30404031 in words is "thirty million, four hundred four thousand, thirty-one".