10131243002 has 4 divisors (see below), whose sum is σ = 15196864506. Its totient is φ = 5065621500.

The previous prime is 10131242993. The next prime is 10131243047. The reversal of 10131243002 is 20034213101.

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

It can be written as a sum of positive squares in only one way, i.e., 10082368921 + 48874081 = 100411^2 + 6991^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2532810749 + ... + 2532810752.

Almost surely, 2^10131243002 is an apocalyptic number.

10131243002 is a deficient number, since it is larger than the sum of its proper divisors (5065621504).

10131243002 is an equidigital number, since it uses as much as digits as its factorization.

10131243002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065621503.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10131243002 its reverse (20034213101), we get a palindrome (30165456103).

The spelling of 10131243002 in words is "ten billion, one hundred thirty-one million, two hundred forty-three thousand, two".