1031030140 has 48 divisors (see below), whose sum is σ = 2476297152. Its totient is φ = 353235456.

The previous prime is 1031030087. The next prime is 1031030153. The reversal of 1031030140 is 410301301.

It is a self number, because there is not a number n which added to its sum of digits gives 1031030140.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 367222 + ... + 370018.

It is an arithmetic number, because the mean of its divisors is an integer number (51589524).

Almost surely, 2^1031030140 is an apocalyptic number.

1031030140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031030140 is an abundant number, since it is smaller than the sum of its proper divisors (1445267012).

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

1031030140 is a wasteful number, since it uses less digits than its factorization.

1031030140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5446 (or 5444 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1031030140 is about 32109.6580486308. The cubic root of 1031030140 is about 1010.2382015046.

Adding to 1031030140 its reverse (410301301), we get a palindrome (1441331441).

The spelling of 1031030140 in words is "one billion, thirty-one million, thirty thousand, one hundred forty".