103031221233013 has 2 divisors, whose sum is σ = 103031221233014. Its totient is φ = 103031221233012.

The previous prime is 103031221233007. The next prime is 103031221233043. The reversal of 103031221233013 is 310332122130301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102798976274289 + 232244958724 = 10138983^2 + 481918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103031221233013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103031221233043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51515610616506 + 51515610616507.

It is an arithmetic number, because the mean of its divisors is an integer number (51515610616507).

Almost surely, 2^{103031221233013} is an apocalyptic number.

It is an amenable number.

103031221233013 is a deficient number, since it is larger than the sum of its proper divisors (1).

103031221233013 is an equidigital number, since it uses as much as digits as its factorization.

103031221233013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 103031221233013 its reverse (310332122130301), we get a palindrome (413363343363314).

The spelling of 103031221233013 in words is "one hundred three trillion, thirty-one billion, two hundred twenty-one million, two hundred thirty-three thousand, thirteen".