13133513231 has 8 divisors (see below), whose sum is σ = 13470466128. Its totient is φ = 12797352000.

The previous prime is 13133513219. The next prime is 13133513249. The reversal of 13133513231 is 13231533131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13133513231 - 2⁶ = 13133513167 is a prime.

It is a super-2 number, since 2×13133513231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13133513231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133513531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164240 + ... + 230741.

It is an arithmetic number, because the mean of its divisors is an integer number (1683808266).

Almost surely, 2^13133513231 is an apocalyptic number.

13133513231 is a deficient number, since it is larger than the sum of its proper divisors (336952897).

13133513231 is an equidigital number, since it uses as much as digits as its factorization.

13133513231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395833.

The product of its digits is 2430, while the sum is 26.

The spelling of 13133513231 in words is "thirteen billion, one hundred thirty-three million, five hundred thirteen thousand, two hundred thirty-one".