1021131130 has 16 divisors (see below), whose sum is σ = 1839544200. Its totient is φ = 408117312.

The previous prime is 1021131107. The next prime is 1021131149. The reversal of 1021131130 is 311311201.

It can be written as a sum of positive squares in 4 ways, for example, as 1004065969 + 17065161 = 31687^2 + 4131^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1021131130.

It is an unprimeable number.

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, 28905 + ... + 53644.

Almost surely, 2^1021131130 is an apocalyptic number.

1021131130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021131130 is a deficient number, since it is larger than the sum of its proper divisors (818413070).

1021131130 is a wasteful number, since it uses less digits than its factorization.

1021131130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83793.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1021131130 is about 31955.1424656502. The cubic root of 1021131130 is about 1006.9946705120.

Adding to 1021131130 its reverse (311311201), we get a palindrome (1332442331).

The spelling of 1021131130 in words is "one billion, twenty-one million, one hundred thirty-one thousand, one hundred thirty".