1031199490 has 8 divisors (see below), whose sum is σ = 1856159100. Its totient is φ = 412479792.

The previous prime is 1031199473. The next prime is 1031199511. The reversal of 1031199490 is 949911301.

It can be written as a sum of positive squares in 2 ways, for example, as 1030217409 + 982081 = 32097^2 + 991^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51559965 + ... + 51559984.

Almost surely, 2^1031199490 is an apocalyptic number.

1031199490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031199490 is a deficient number, since it is larger than the sum of its proper divisors (824959610).

1031199490 is a wasteful number, since it uses less digits than its factorization.

1031199490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103119956.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 1031199490 is about 32112.2949973994. The cubic root of 1031199490 is about 1010.2935100957.

The spelling of 1031199490 in words is "one billion, thirty-one million, one hundred ninety-nine thousand, four hundred ninety".