13203120030031 has 4 divisors (see below), whose sum is σ = 13204335685864. Its totient is φ = 13201904374200.

The previous prime is 13203120030019. The next prime is 13203120030097. The reversal of 13203120030031 is 13003002130231.

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 13203120030031 - 2¹¹ = 13203120027983 is a prime.

It is a super-2 number, since 2×13203120030031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13203120029990 and 13203120030008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13203120030431) 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, 607811625 + ... + 607833346.

It is an arithmetic number, because the mean of its divisors is an integer number (3301083921466).

Almost surely, 2^{13203120030031} is an apocalyptic number.

13203120030031 is a deficient number, since it is larger than the sum of its proper divisors (1215655833).

13203120030031 is a wasteful number, since it uses less digits than its factorization.

13203120030031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215655832.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13203120030031 its reverse (13003002130231), we get a palindrome (26206122160262).

The spelling of 13203120030031 in words is "thirteen trillion, two hundred three billion, one hundred twenty million, thirty thousand, thirty-one".