985056331 has 16 divisors (see below), whose sum is σ = 1133814528. Its totient is φ = 838332000.

The previous prime is 985056307. The next prime is 985056353. The reversal of 985056331 is 133650589.

It is a cyclic number.

It is not a de Polignac number, because 985056331 - 2⁵ = 985056299 is a prime.

It is a super-2 number, since 2×985056331² = 1940671950486363122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (985026331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678156 + ... + 679606.

It is an arithmetic number, because the mean of its divisors is an integer number (70863408).

Almost surely, 2^985056331 is an apocalyptic number.

985056331 is a deficient number, since it is larger than the sum of its proper divisors (148758197).

985056331 is a wasteful number, since it uses less digits than its factorization.

985056331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 985056331 is about 31385.6070675716. The cubic root of 985056331 is about 994.9937563474.

The spelling of 985056331 in words is "nine hundred eighty-five million, fifty-six thousand, three hundred thirty-one".