13155062231 has 4 divisors (see below), whose sum is σ = 13163910432. Its totient is φ = 13146214032.

The previous prime is 13155062201. The next prime is 13155062233. The reversal of 13155062231 is 13226055131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13226055131 = 17 ⋅778003243.

It is a cyclic number.

It is not a de Polignac number, because 13155062231 - 2¹⁰ = 13155061207 is a prime.

It is a super-2 number, since 2×13155062231² (a number of 21 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 = 13155062194 and 13155062203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155062233) 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, 4421870 + ... + 4424843.

It is an arithmetic number, because the mean of its divisors is an integer number (3290977608).

Almost surely, 2^13155062231 is an apocalyptic number.

13155062231 is a deficient number, since it is larger than the sum of its proper divisors (8848201).

13155062231 is an equidigital number, since it uses as much as digits as its factorization.

13155062231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8848200.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 13155062231 in words is "thirteen billion, one hundred fifty-five million, sixty-two thousand, two hundred thirty-one".