103431143213 has 2 divisors, whose sum is σ = 103431143214. Its totient is φ = 103431143212.

The previous prime is 103431143191. The next prime is 103431143261. The reversal of 103431143213 is 312341134301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71103822409 + 32327320804 = 266653^2 + 179798^2 .

It is a cyclic number.

It is not a de Polignac number, because 103431143213 - 2⁶ = 103431143149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103431143513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51715571606 + 51715571607.

It is an arithmetic number, because the mean of its divisors is an integer number (51715571607).

Almost surely, 2^103431143213 is an apocalyptic number.

It is an amenable number.

103431143213 is a deficient number, since it is larger than the sum of its proper divisors (1).

103431143213 is an equidigital number, since it uses as much as digits as its factorization.

103431143213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 103431143213 its reverse (312341134301), we get a palindrome (415772277514).

The spelling of 103431143213 in words is "one hundred three billion, four hundred thirty-one million, one hundred forty-three thousand, two hundred thirteen".