30961411 has 8 divisors (see below), whose sum is σ = 33388880. Its totient is φ = 28540512.

The previous prime is 30961397. The next prime is 30961429. The reversal of 30961411 is 11416903.

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

It is not a de Polignac number, because 30961411 - 2⁵ = 30961379 is a prime.

It is a super-2 number, since 2×30961411² = 1917217942221842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30967411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13120 + ... + 15298.

It is an arithmetic number, because the mean of its divisors is an integer number (4173610).

Almost surely, 2^30961411 is an apocalyptic number.

30961411 is a deficient number, since it is larger than the sum of its proper divisors (2427469).

30961411 is a wasteful number, since it uses less digits than its factorization.

30961411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 30961411 is about 5564.2978892220. The cubic root of 30961411 is about 314.0076640860.

The spelling of 30961411 in words is "thirty million, nine hundred sixty-one thousand, four hundred eleven".