13101272402 has 4 divisors (see below), whose sum is σ = 19651908606. Its totient is φ = 6550636200.

The previous prime is 13101272383. The next prime is 13101272413. The reversal of 13101272402 is 20427210131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20427210131 = 193 ⋅105840467.

It can be written as a sum of positive squares in only one way, i.e., 6935724961 + 6165547441 = 83281^2 + 78521^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275318099 + ... + 3275318102.

Almost surely, 2^13101272402 is an apocalyptic number.

13101272402 is a deficient number, since it is larger than the sum of its proper divisors (6550636204).

13101272402 is an equidigital number, since it uses as much as digits as its factorization.

13101272402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550636203.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 13101272402 its reverse (20427210131), we get a palindrome (33528482533).

The spelling of 13101272402 in words is "thirteen billion, one hundred one million, two hundred seventy-two thousand, four hundred two".