30485131 has 8 divisors (see below), whose sum is σ = 32341680. Its totient is φ = 28635648.

The previous prime is 30485129. The next prime is 30485149. The reversal of 30485131 is 13158403.

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 30485131 - 2¹ = 30485129 is a prime.

It is a super-2 number, since 2×30485131² = 1858686424174322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30485096 and 30485105.

It is not an unprimeable number, because it can be changed into a prime (30488131) 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, 9075 + ... + 11971.

It is an arithmetic number, because the mean of its divisors is an integer number (4042710).

Almost surely, 2^30485131 is an apocalyptic number.

30485131 is a deficient number, since it is larger than the sum of its proper divisors (1856549).

30485131 is a wasteful number, since it uses less digits than its factorization.

30485131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 30485131 is about 5521.3341684778. The cubic root of 30485131 is about 312.3892078716.

The spelling of 30485131 in words is "thirty million, four hundred eighty-five thousand, one hundred thirty-one".