85030331 has 4 divisors (see below), whose sum is σ = 85642200. Its totient is φ = 84418464.

The previous prime is 85030313. The next prime is 85030369. The reversal of 85030331 is 13303058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85030331 - 2¹⁴ = 85013947 is a prime.

It is a super-2 number, since 2×85030331² = 14460314379939122, 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 = 85030297 and 85030306.

It is not an unprimeable number, because it can be changed into a prime (85030031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305726 + ... + 306003.

It is an arithmetic number, because the mean of its divisors is an integer number (21410550).

Almost surely, 2^85030331 is an apocalyptic number.

85030331 is a deficient number, since it is larger than the sum of its proper divisors (611869).

85030331 is a wasteful number, since it uses less digits than its factorization.

85030331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611868.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 85030331 is about 9221.1892400059. The cubic root of 85030331 is about 439.7352591301.

Adding to 85030331 its reverse (13303058), we get a palindrome (98333389).

The spelling of 85030331 in words is "eighty-five million, thirty thousand, three hundred thirty-one".