931040082 has 120 divisors (see below), whose sum is σ = 2473733196. Its totient is φ = 260874432.

The previous prime is 931040057. The next prime is 931040083. The reversal of 931040082 is 280040139.

It can be written as a sum of positive squares in 2 ways, for example, as 744143841 + 186896241 = 27279^2 + 13671^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (931040083) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 419608 + ... + 421820.

Almost surely, 2^931040082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 931040082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1236866598).

931040082 is an abundant number, since it is smaller than the sum of its proper divisors (1542693114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

931040082 is a wasteful number, since it uses less digits than its factorization.

931040082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294 (or 2278 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 931040082 is about 30512.9494149615. The cubic root of 931040082 is about 976.4637516895.

The spelling of 931040082 in words is "nine hundred thirty-one million, forty thousand, eighty-two".