1030203140 has 12 divisors (see below), whose sum is σ = 2163426636. Its totient is φ = 412081248.

The previous prime is 1030203137. The next prime is 1030203151. The reversal of 1030203140 is 413020301.

It can be written as a sum of positive squares in 2 ways, for example, as 746819584 + 283383556 = 27328^2 + 16834^2 .

It is a super-2 number, since 2×1030203140² = 2122637019331719200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25755059 + ... + 25755098.

It is an arithmetic number, because the mean of its divisors is an integer number (180285553).

Almost surely, 2^1030203140 is an apocalyptic number.

1030203140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030203140 is an abundant number, since it is smaller than the sum of its proper divisors (1133223496).

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

1030203140 is a wasteful number, since it uses less digits than its factorization.

1030203140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51510166 (or 51510164 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1030203140 is about 32096.7777198896. Note that the first 4 decimals coincide. The cubic root of 1030203140 is about 1009.9680217304.

Adding to 1030203140 its reverse (413020301), we get a palindrome (1443223441).

The spelling of 1030203140 in words is "one billion, thirty million, two hundred three thousand, one hundred forty".