1030531997 has 8 divisors (see below), whose sum is σ = 1173096000. Its totient is φ = 896114560.

The previous prime is 1030531969. The next prime is 1030532003. The reversal of 1030531997 is 7991350301.

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

It is not a de Polignac number, because 1030531997 - 2⁶ = 1030531933 is a prime.

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 1030531997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030531927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2036372 + ... + 2036877.

It is an arithmetic number, because the mean of its divisors is an integer number (146637000).

Almost surely, 2^1030531997 is an apocalyptic number.

It is an amenable number.

1030531997 is a deficient number, since it is larger than the sum of its proper divisors (142564003).

1030531997 is a wasteful number, since it uses less digits than its factorization.

1030531997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073283.

The product of its (nonzero) digits is 25515, while the sum is 38.

The square root of 1030531997 is about 32101.9002085546. The cubic root of 1030531997 is about 1010.0754761751.

The spelling of 1030531997 in words is "one billion, thirty million, five hundred thirty-one thousand, nine hundred ninety-seven".