42213100361 has 2 divisors, whose sum is σ = 42213100362. Its totient is φ = 42213100360.

The previous prime is 42213100351. The next prime is 42213100403. The reversal of 42213100361 is 16300131224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30811131961 + 11401968400 = 175531^2 + 106780^2 .

It is a cyclic number.

It is not a de Polignac number, because 42213100361 - 2¹⁰ = 42213099337 is a prime.

It is not a weakly prime, because it can be changed into another prime (42213100351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21106550180 + 21106550181.

It is an arithmetic number, because the mean of its divisors is an integer number (21106550181).

Almost surely, 2^42213100361 is an apocalyptic number.

It is an amenable number.

42213100361 is a deficient number, since it is larger than the sum of its proper divisors (1).

42213100361 is an equidigital number, since it uses as much as digits as its factorization.

42213100361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 42213100361 its reverse (16300131224), we get a palindrome (58513231585).

The spelling of 42213100361 in words is "forty-two billion, two hundred thirteen million, one hundred thousand, three hundred sixty-one".