13465551331 has 2 divisors, whose sum is σ = 13465551332. Its totient is φ = 13465551330.

The previous prime is 13465551289. The next prime is 13465551347. The reversal of 13465551331 is 13315556431.

It is a strong prime.

It is an emirp because it is prime and its reverse (13315556431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13465551331 - 2¹¹ = 13465549283 is a prime.

It is a super-3 number, since 3×13465551331³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (13465551431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6732775665 + 6732775666.

It is an arithmetic number, because the mean of its divisors is an integer number (6732775666).

Almost surely, 2^13465551331 is an apocalyptic number.

13465551331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13465551331 is an equidigital number, since it uses as much as digits as its factorization.

13465551331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 37.

The spelling of 13465551331 in words is "thirteen billion, four hundred sixty-five million, five hundred fifty-one thousand, three hundred thirty-one".