101103031013 has 2 divisors, whose sum is σ = 101103031014. Its totient is φ = 101103031012.

The previous prime is 101103030991. The next prime is 101103031039. The reversal of 101103031013 is 310130301101.

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., 91868397604 + 9234633409 = 303098^2 + 96097^2 .

It is a cyclic number.

It is not a de Polignac number, because 101103031013 - 2¹⁶ = 101102965477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101103031213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50551515506 + 50551515507.

It is an arithmetic number, because the mean of its divisors is an integer number (50551515507).

Almost surely, 2^101103031013 is an apocalyptic number.

It is an amenable number.

101103031013 is a deficient number, since it is larger than the sum of its proper divisors (1).

101103031013 is an equidigital number, since it uses as much as digits as its factorization.

101103031013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 101103031013 its reverse (310130301101), we get a palindrome (411233332114).

The spelling of 101103031013 in words is "one hundred one billion, one hundred three million, thirty-one thousand, thirteen".