13131651002 has 4 divisors (see below), whose sum is σ = 19697476506. Its totient is φ = 6565825500.

The previous prime is 13131650977. The next prime is 13131651017. The reversal of 13131651002 is 20015613131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20015613131 = 127 ⋅157603253.

It can be written as a sum of positive squares in only one way, i.e., 8854621801 + 4277029201 = 94099^2 + 65399^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282912749 + ... + 3282912752.

Almost surely, 2^13131651002 is an apocalyptic number.

13131651002 is a deficient number, since it is larger than the sum of its proper divisors (6565825504).

13131651002 is an equidigital number, since it uses as much as digits as its factorization.

13131651002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6565825503.

The product of its (nonzero) digits is 540, while the sum is 23.

The spelling of 13131651002 in words is "thirteen billion, one hundred thirty-one million, six hundred fifty-one thousand, two".