30485431 has 8 divisors (see below), whose sum is σ = 31574528. Its totient is φ = 29403000.

The previous prime is 30485387. The next prime is 30485449. The reversal of 30485431 is 13458403.

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 30485431 - 2⁹ = 30484919 is a prime.

It is a super-2 number, since 2×30485431² = 1858723006511522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30485431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30425431) 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, 8776 + ... + 11746.

It is an arithmetic number, because the mean of its divisors is an integer number (3946816).

Almost surely, 2^30485431 is an apocalyptic number.

30485431 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30485431 is a deficient number, since it is larger than the sum of its proper divisors (1089097).

30485431 is a wasteful number, since it uses less digits than its factorization.

30485431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 30485431 is about 5521.3613357577. The cubic root of 30485431 is about 312.3902325948.

The spelling of 30485431 in words is "thirty million, four hundred eighty-five thousand, four hundred thirty-one".