10331220213 has 12 divisors (see below), whose sum is σ = 14937113100. Its totient is φ = 6880908096.

The previous prime is 10331220203. The next prime is 10331220269. The reversal of 10331220213 is 31202213301.

It can be written as a sum of positive squares in 2 ways, for example, as 4789608849 + 5541611364 = 69207^2 + 74442^2 .

It is not a de Polignac number, because 10331220213 - 2²⁶ = 10264111349 is a prime.

It is a super-2 number, since 2×10331220213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10331220203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537706 + ... + 556587.

It is an arithmetic number, because the mean of its divisors is an integer number (1244759425).

Almost surely, 2^10331220213 is an apocalyptic number.

It is an amenable number.

10331220213 is a deficient number, since it is larger than the sum of its proper divisors (4605892887).

10331220213 is a wasteful number, since it uses less digits than its factorization.

10331220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095348 (or 1095345 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10331220213 its reverse (31202213301), we get a palindrome (41533433514).

The spelling of 10331220213 in words is "ten billion, three hundred thirty-one million, two hundred twenty thousand, two hundred thirteen".