103431135013 has 2 divisors, whose sum is σ = 103431135014. Its totient is φ = 103431135012.

The previous prime is 103431134971. The next prime is 103431135061. The reversal of 103431135013 is 310531134301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103067965764 + 363169249 = 321042^2 + 19057^2 .

It is a cyclic number.

It is not a de Polignac number, because 103431135013 - 2¹⁷ = 103431003941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103431105013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51715567506 + 51715567507.

It is an arithmetic number, because the mean of its divisors is an integer number (51715567507).

Almost surely, 2^103431135013 is an apocalyptic number.

It is an amenable number.

103431135013 is a deficient number, since it is larger than the sum of its proper divisors (1).

103431135013 is an equidigital number, since it uses as much as digits as its factorization.

103431135013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 103431135013 its reverse (310531134301), we get a palindrome (413962269314).

The spelling of 103431135013 in words is "one hundred three billion, four hundred thirty-one million, one hundred thirty-five thousand, thirteen".