13031121032303 has 24 divisors (see below), whose sum is σ = 14405892088896. Its totient is φ = 11778380989760.

The previous prime is 13031121032299. The next prime is 13031121032309. The reversal of 13031121032303 is 30323012113031.

It is not a de Polignac number, because 13031121032303 - 2² = 13031121032299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031121032309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35261801 + ... + 35629437.

It is an arithmetic number, because the mean of its divisors is an integer number (600245503704).

Almost surely, 2^{13031121032303} is an apocalyptic number.

13031121032303 is a deficient number, since it is larger than the sum of its proper divisors (1374771056593).

13031121032303 is a wasteful number, since it uses less digits than its factorization.

13031121032303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369343 (or 369332 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 13031121032303 its reverse (30323012113031), we get a palindrome (43354133145334).

The spelling of 13031121032303 in words is "thirteen trillion, thirty-one billion, one hundred twenty-one million, thirty-two thousand, three hundred three".