1020531130 has 16 divisors (see below), whose sum is σ = 1837437984. Its totient is φ = 408105360.

The previous prime is 1020531121. The next prime is 1020531181. The reversal of 1020531130 is 311350201.

1020531130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34945 + ... + 57115.

It is an arithmetic number, because the mean of its divisors is an integer number (114839874).

Almost surely, 2^1020531130 is an apocalyptic number.

1020531130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020531130 is a deficient number, since it is larger than the sum of its proper divisors (816906854).

1020531130 is a wasteful number, since it uses less digits than its factorization.

1020531130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26781.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1020531130 is about 31945.7529258585. The cubic root of 1020531130 is about 1006.7974006538.

Adding to 1020531130 its reverse (311350201), we get a palindrome (1331881331).

The spelling of 1020531130 in words is "one billion, twenty million, five hundred thirty-one thousand, one hundred thirty".