13123211031303 has 32 divisors (see below), whose sum is σ = 18504565094400. Its totient is φ = 8249647118976.

The previous prime is 13123211031257. The next prime is 13123211031353. The reversal of 13123211031303 is 30313011232131.

It is not a de Polignac number, because 13123211031303 - 2⁶ = 13123211031239 is a prime.

It is a super-2 number, since 2×13123211031303² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123211031353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70542133 + ... + 70727921.

It is an arithmetic number, because the mean of its divisors is an integer number (578267659200).

Almost surely, 2^{13123211031303} is an apocalyptic number.

13123211031303 is a deficient number, since it is larger than the sum of its proper divisors (5381354063097).

13123211031303 is a wasteful number, since it uses less digits than its factorization.

13123211031303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191591.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 13123211031303 its reverse (30313011232131), we get a palindrome (43436222263434).

The spelling of 13123211031303 in words is "thirteen trillion, one hundred twenty-three billion, two hundred eleven million, thirty-one thousand, three hundred three".