103431111037 has 2 divisors, whose sum is σ = 103431111038. Its totient is φ = 103431111036.

The previous prime is 103431111031. The next prime is 103431111079. The reversal of 103431111037 is 730111134301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73650360996 + 29780750041 = 271386^2 + 172571^2 .

It is an emirp because it is prime and its reverse (730111134301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103431111037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103431111031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51715555518 + 51715555519.

It is an arithmetic number, because the mean of its divisors is an integer number (51715555519).

Almost surely, 2^103431111037 is an apocalyptic number.

It is an amenable number.

103431111037 is a deficient number, since it is larger than the sum of its proper divisors (1).

103431111037 is an equidigital number, since it uses as much as digits as its factorization.

103431111037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 103431111037 its reverse (730111134301), we get a palindrome (833542245338).

The spelling of 103431111037 in words is "one hundred three billion, four hundred thirty-one million, one hundred eleven thousand, thirty-seven".