13131001101203 has 4 divisors (see below), whose sum is σ = 13209629850480. Its totient is φ = 13052372351928.

The previous prime is 13131001101157. The next prime is 13131001101271. The reversal of 13131001101203 is 30210110013131.

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

It is a cyclic number.

It is not a de Polignac number, because 13131001101203 - 2²² = 13130996906899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13131001101503) 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, 39314374388 + ... + 39314374721.

It is an arithmetic number, because the mean of its divisors is an integer number (3302407462620).

Almost surely, 2^{13131001101203} is an apocalyptic number.

13131001101203 is a deficient number, since it is larger than the sum of its proper divisors (78628749277).

13131001101203 is an equidigital number, since it uses as much as digits as its factorization.

13131001101203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78628749276.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 13131001101203 its reverse (30210110013131), we get a palindrome (43341111114334).

The spelling of 13131001101203 in words is "thirteen trillion, one hundred thirty-one billion, one million, one hundred one thousand, two hundred three".