13031010101 has 4 divisors (see below), whose sum is σ = 13032093804. Its totient is φ = 13029926400.

The previous prime is 13031010089. The next prime is 13031010151. The reversal of 13031010101 is 10101013031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2339656900 + 10691353201 = 48370^2 + 103399^2 .

It is a cyclic number.

It is not a de Polignac number, because 13031010101 - 2⁶ = 13031010037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031010151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523610 + ... + 547931.

It is an arithmetic number, because the mean of its divisors is an integer number (3258023451).

Almost surely, 2^13031010101 is an apocalyptic number.

It is an amenable number.

13031010101 is a deficient number, since it is larger than the sum of its proper divisors (1083703).

13031010101 is a wasteful number, since it uses less digits than its factorization.

13031010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083702.

The product of its (nonzero) digits is 9, while the sum is 11.

Adding to 13031010101 its reverse (10101013031), we get a palindrome (23132023132).

The spelling of 13031010101 in words is "thirteen billion, thirty-one million, ten thousand, one hundred one".