103131342223213 has 2 divisors, whose sum is σ = 103131342223214. Its totient is φ = 103131342223212.

The previous prime is 103131342223127. The next prime is 103131342223229. The reversal of 103131342223213 is 312322243131301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97319448263844 + 5811893959369 = 9865062^2 + 2410787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103131342223213 is a prime.

It is a super-2 number, since 2×103131342223213² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103131342223513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51565671111606 + 51565671111607.

It is an arithmetic number, because the mean of its divisors is an integer number (51565671111607).

Almost surely, 2^{103131342223213} is an apocalyptic number.

It is an amenable number.

103131342223213 is a deficient number, since it is larger than the sum of its proper divisors (1).

103131342223213 is an equidigital number, since it uses as much as digits as its factorization.

103131342223213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 103131342223213 its reverse (312322243131301), we get a palindrome (415453585354514).

The spelling of 103131342223213 in words is "one hundred three trillion, one hundred thirty-one billion, three hundred forty-two million, two hundred twenty-three thousand, two hundred thirteen".