13353131805 has 16 divisors (see below), whose sum is σ = 23008473600. Its totient is φ = 6573849408.

The previous prime is 13353131801. The next prime is 13353131833. The reversal of 13353131805 is 50813135331.

It is not a de Polignac number, because 13353131805 - 2² = 13353131801 is a prime.

It is a super-2 number, since 2×13353131805² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13353131801) 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, 34238605 + ... + 34238994.

It is an arithmetic number, because the mean of its divisors is an integer number (1438029600).

Almost surely, 2^13353131805 is an apocalyptic number.

13353131805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13353131805 is a deficient number, since it is larger than the sum of its proper divisors (9655341795).

13353131805 is a wasteful number, since it uses less digits than its factorization.

13353131805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68477620.

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 13353131805 in words is "thirteen billion, three hundred fifty-three million, one hundred thirty-one thousand, eight hundred five".