1505231134213 has 16 divisors (see below), whose sum is σ = 1567522172160. Its totient is φ = 1444167331200.

The previous prime is 1505231134193. The next prime is 1505231134243. The reversal of 1505231134213 is 3124311325051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1505231134213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1505231134243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13648056 + ... + 13757902.

It is an arithmetic number, because the mean of its divisors is an integer number (97970135760).

Almost surely, 2^{1505231134213} is an apocalyptic number.

It is an amenable number.

1505231134213 is a deficient number, since it is larger than the sum of its proper divisors (62291037947).

1505231134213 is a wasteful number, since it uses less digits than its factorization.

1505231134213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115428.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 1505231134213 its reverse (3124311325051), we get a palindrome (4629542459264).

The spelling of 1505231134213 in words is "one trillion, five hundred five billion, two hundred thirty-one million, one hundred thirty-four thousand, two hundred thirteen".