1031100213 has 64 divisors (see below), whose sum is σ = 1665619200. Its totient is φ = 559104000.

The previous prime is 1031100197. The next prime is 1031100233. The reversal of 1031100213 is 3120011301.

It is not a de Polignac number, because 1031100213 - 2⁴ = 1031100197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031100233) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 2296213 + ... + 2296661.

It is an arithmetic number, because the mean of its divisors is an integer number (26025300).

Almost surely, 2^1031100213 is an apocalyptic number.

1031100213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1031100213 is a deficient number, since it is larger than the sum of its proper divisors (634518987).

1031100213 is a wasteful number, since it uses less digits than its factorization.

1031100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1031100213 is about 32110.7491815436. The cubic root of 1031100213 is about 1010.2610876179.

Adding to 1031100213 its reverse (3120011301), we get a palindrome (4151111514).

The spelling of 1031100213 in words is "one billion, thirty-one million, one hundred thousand, two hundred thirteen".