10231131201002 has 4 divisors (see below), whose sum is σ = 15346696801506. Its totient is φ = 5115565600500.

The previous prime is 10231131201001. The next prime is 10231131201029. The reversal of 10231131201002 is 20010213113201.

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., 10155369189001 + 75762012001 = 3186749^2 + 275249^2 .

It is not an unprimeable number, because it can be changed into a prime (10231131201001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2557782800249 + ... + 2557782800252.

Almost surely, 2^{10231131201002} is an apocalyptic number.

10231131201002 is a deficient number, since it is larger than the sum of its proper divisors (5115565600504).

10231131201002 is an equidigital number, since it uses as much as digits as its factorization.

10231131201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5115565600503.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10231131201002 its reverse (20010213113201), we get a palindrome (30241344314203).

The spelling of 10231131201002 in words is "ten trillion, two hundred thirty-one billion, one hundred thirty-one million, two hundred one thousand, two".