1031211130 has 32 divisors (see below), whose sum is σ = 1959629760. Its totient is φ = 389623680.

The previous prime is 1031211113. The next prime is 1031211133. The reversal of 1031211130 is 311121301.

It is a self number, because there is not a number n which added to its sum of digits gives 1031211130.

It is not an unprimeable number, because it can be changed into a prime (1031211133) by changing a digit.

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, 58110 + ... + 73750.

It is an arithmetic number, because the mean of its divisors is an integer number (61238430).

Almost surely, 2^1031211130 is an apocalyptic number.

1031211130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031211130 is a deficient number, since it is larger than the sum of its proper divisors (928418630).

1031211130 is a wasteful number, since it uses less digits than its factorization.

1031211130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16014.

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

The square root of 1031211130 is about 32112.4762358807. The cubic root of 1031211130 is about 1010.2973114203.

Adding to 1031211130 its reverse (311121301), we get a palindrome (1342332431).

The spelling of 1031211130 in words is "one billion, thirty-one million, two hundred eleven thousand, one hundred thirty".