13131102001 has 4 divisors (see below), whose sum is σ = 13131548452. Its totient is φ = 13130655552.

The previous prime is 13131101969. The next prime is 13131102007. The reversal of 13131102001 is 10020113131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10020113131 = 7 ⋅1431444733.

It can be written as a sum of positive squares in 2 ways, for example, as 3868964401 + 9262137600 = 62201^2 + 96240^2 .

It is a cyclic number.

It is not a de Polignac number, because 13131102001 - 2⁵ = 13131101969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13131102007) 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, 175740 + ... + 239053.

It is an arithmetic number, because the mean of its divisors is an integer number (3282887113).

Almost surely, 2^13131102001 is an apocalyptic number.

It is an amenable number.

13131102001 is a deficient number, since it is larger than the sum of its proper divisors (446451).

13131102001 is an equidigital number, since it uses as much as digits as its factorization.

13131102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446450.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 13131102001 its reverse (10020113131), we get a palindrome (23151215132).

The spelling of 13131102001 in words is "thirteen billion, one hundred thirty-one million, one hundred two thousand, one".