13131210203123 has 8 divisors (see below), whose sum is σ = 13208065654896. Its totient is φ = 13054365700000.

The previous prime is 13131210203077. The next prime is 13131210203147. The reversal of 13131210203123 is 32130201213131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13131210203123 - 2²⁶ = 13131143094259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13131210503123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325253 + ... + 5134998.

It is an arithmetic number, because the mean of its divisors is an integer number (1651008206862).

Almost surely, 2^{13131210203123} is an apocalyptic number.

13131210203123 is a deficient number, since it is larger than the sum of its proper divisors (76855451773).

13131210203123 is a wasteful number, since it uses less digits than its factorization.

13131210203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474325.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13131210203123 its reverse (32130201213131), we get a palindrome (45261411416254).

The spelling of 13131210203123 in words is "thirteen trillion, one hundred thirty-one billion, two hundred ten million, two hundred three thousand, one hundred twenty-three".