1000311213 has 16 divisors (see below), whose sum is σ = 1464273216. Its totient is φ = 602384640.

The previous prime is 1000311209. The next prime is 1000311217. The reversal of 1000311213 is 3121130001.

It is an interprime number because it is at equal distance from previous prime (1000311209) and next prime (1000311217).

It is not a de Polignac number, because 1000311213 - 2² = 1000311209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000311217) 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 15 ways as a sum of consecutive naturals, for example, 91356 + ... + 101717.

It is an arithmetic number, because the mean of its divisors is an integer number (91517076).

Almost surely, 2^1000311213 is an apocalyptic number.

It is an amenable number.

1000311213 is a deficient number, since it is larger than the sum of its proper divisors (463962003).

1000311213 is a wasteful number, since it uses less digits than its factorization.

1000311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193244.

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

The square root of 1000311213 is about 31627.6969284834. The cubic root of 1000311213 is about 1000.1037269070.

Adding to 1000311213 its reverse (3121130001), we get a palindrome (4121441214).

It can be divided in two parts, 1000 and 311213, that added together give a palindrome (312213).

The spelling of 1000311213 in words is "one billion, three hundred eleven thousand, two hundred thirteen".