213010343130157 has 2 divisors, whose sum is σ = 213010343130158. Its totient is φ = 213010343130156.

The previous prime is 213010343130089. The next prime is 213010343130187. The reversal of 213010343130157 is 751031343010312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210805397301321 + 2204945828836 = 14519139^2 + 1484906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213010343130157 is a prime.

It is a super-3 number, since 3×213010343130157³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213010343130187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106505171565078 + 106505171565079.

It is an arithmetic number, because the mean of its divisors is an integer number (106505171565079).

Almost surely, 2^{213010343130157} is an apocalyptic number.

It is an amenable number.

213010343130157 is a deficient number, since it is larger than the sum of its proper divisors (1).

213010343130157 is an equidigital number, since it uses as much as digits as its factorization.

213010343130157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

Adding to 213010343130157 its reverse (751031343010312), we get a palindrome (964041686140469).

The spelling of 213010343130157 in words is "two hundred thirteen trillion, ten billion, three hundred forty-three million, one hundred thirty thousand, one hundred fifty-seven".