103512330031213 has 2 divisors, whose sum is σ = 103512330031214. Its totient is φ = 103512330031212.

The previous prime is 103512330031091. The next prime is 103512330031321. The reversal of 103512330031213 is 312130033215301.

It is a happy number.

Together with next prime (103512330031321) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103355749958409 + 156580072804 = 10166403^2 + 395702^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103512330031213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103512330032213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51756165015606 + 51756165015607.

It is an arithmetic number, because the mean of its divisors is an integer number (51756165015607).

Almost surely, 2^{103512330031213} is an apocalyptic number.

It is an amenable number.

103512330031213 is a deficient number, since it is larger than the sum of its proper divisors (1).

103512330031213 is an equidigital number, since it uses as much as digits as its factorization.

103512330031213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 28.

Adding to 103512330031213 its reverse (312130033215301), we get a palindrome (415642363246514).

The spelling of 103512330031213 in words is "one hundred three trillion, five hundred twelve billion, three hundred thirty million, thirty-one thousand, two hundred thirteen".