10031111213 has 2 divisors, whose sum is σ = 10031111214. Its totient is φ = 10031111212.

The previous prime is 10031111203. The next prime is 10031111219. The reversal of 10031111213 is 31211113001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5242194409 + 4788916804 = 72403^2 + 69202^2 .

It is a cyclic number.

It is not a de Polignac number, because 10031111213 - 2¹⁶ = 10031045677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10031111219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015555606 + 5015555607.

It is an arithmetic number, because the mean of its divisors is an integer number (5015555607).

Almost surely, 2^10031111213 is an apocalyptic number.

It is an amenable number.

10031111213 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031111213 is an equidigital number, since it uses as much as digits as its factorization.

10031111213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10031111213 its reverse (31211113001), we get a palindrome (41242224214).

The spelling of 10031111213 in words is "ten billion, thirty-one million, one hundred eleven thousand, two hundred thirteen".